1
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Kang M, Sharma R, Blanco C, Wiedeman D, Altemose Q, Lynch PE, Sop Tagne GBJ, Zhang Y, Shalaginov MY, Popescu CC, Triplett BM, Rivero-Baleine C, Schwarz CM, Agarwal AM, Gu T, Hu J, Richardson KA. Solution-derived Ge-Sb-Se-Te phase-change chalcogenide films. Sci Rep 2024; 14:18151. [PMID: 39103371 DOI: 10.1038/s41598-024-69045-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 07/30/2024] [Indexed: 08/07/2024] Open
Abstract
Ge-Sb-Se-Te chalcogenides, namely Se-substituted Ge-Sb-Te, have been developed as an alternative optical phase change material (PCM) with a high figure-of-merit. A need for the integration of such new PCMs onto a variety of photonic platforms has necessitated the development of fabrication processes compatible with diverse material compositions as well as substrates of varying material types, shapes, and sizes. This study explores the application of chemical solution deposition as a method capable of creating conformally coated layers and delves into the resulting modifications in the structural and optical properties of Ge-Sb-Se-Te PCMs. Specifically, we detail the solution-based deposition of Ge-Sb-Se-Te layers and present a comparative analysis with those deposited via thermal evaporation. We also discuss our ongoing endeavor to improve available choice of processing-material combinations and how to realize solution-derived high figure-of-merit optical PCM layers, which will enable a new era for the development of reconfigurable photonic devices.
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Affiliation(s)
- Myungkoo Kang
- New York State College of Ceramics, Alfred University, Alfred, NY, USA.
| | - Rashi Sharma
- College of Optics and Photonics, CREOL, University of Central Florida, Orlando, FL, USA
| | - Cesar Blanco
- College of Optics and Photonics, CREOL, University of Central Florida, Orlando, FL, USA
| | - Daniel Wiedeman
- College of Optics and Photonics, CREOL, University of Central Florida, Orlando, FL, USA
| | - Quentin Altemose
- Department of Physics and Astronomy, Ursinus College, Collegeville, PA, USA
| | - Patrick E Lynch
- New York State College of Ceramics, Alfred University, Alfred, NY, USA
| | - Gil B J Sop Tagne
- New York State College of Ceramics, Alfred University, Alfred, NY, USA
| | - Yifei Zhang
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Mikhail Y Shalaginov
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Cosmin-Constantin Popescu
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | | | - Casey M Schwarz
- Department of Physics and Astronomy, Ursinus College, Collegeville, PA, USA
| | - Anuradha M Agarwal
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Tian Gu
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Juejun Hu
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Kathleen A Richardson
- College of Optics and Photonics, CREOL, University of Central Florida, Orlando, FL, USA
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2
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Li C, Pan R, Gu C, Guo H, Li J. Reconfigurable Micro/Nano-Optical Devices Based on Phase Transitions: From Materials, Mechanisms to Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306344. [PMID: 38489745 PMCID: PMC11132080 DOI: 10.1002/advs.202306344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 01/10/2024] [Indexed: 03/17/2024]
Abstract
In recent years, numerous efforts have been devoted to exploring innovative micro/nano-optical devices (MNODs) with reconfigurable functionality, which is highly significant because of the progressively increasing requirements for next-generation photonic systems. Fortunately, phase change materials (PCMs) provide an extremely competitive pathway to achieve this goal. The phase transitions induce significant changes to materials in optical, electrical properties or shapes, triggering great research interests in applying PCMs to reconfigurable micro/nano-optical devices (RMNODs). More specifically, the PCMs-based RMNODs can interact with incident light in on-demand or adaptive manners and thus realize unique functions. In this review, RMNODs based on phase transitions are systematically summarized and comprehensively overviewed from materials, phase change mechanisms to applications. The reconfigurable optical devices consisting of three kinds of typical PCMs are emphatically introduced, including chalcogenides, transition metal oxides, and shape memory alloys, highlighting the reversible state switch and dramatic contrast of optical responses along with designated utilities generated by phase transition. Finally, a comprehensive summary of the whole content is given, discussing the challenge and outlooking the potential development of the PCMs-based RMNODs in the future.
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Affiliation(s)
- Chensheng Li
- Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190China
- CAS Key Laboratory of Vacuum PhysicsSchool of Physical SciencesUniversity of Chinese Academy of SciencesBeijing100049China
| | - Ruhao Pan
- Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190China
| | - Changzhi Gu
- Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190China
- CAS Key Laboratory of Vacuum PhysicsSchool of Physical SciencesUniversity of Chinese Academy of SciencesBeijing100049China
| | - Haiming Guo
- Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190China
- CAS Key Laboratory of Vacuum PhysicsSchool of Physical SciencesUniversity of Chinese Academy of SciencesBeijing100049China
| | - Junjie Li
- Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing100190China
- CAS Key Laboratory of Vacuum PhysicsSchool of Physical SciencesUniversity of Chinese Academy of SciencesBeijing100049China
- Songshan Lake Materials LaboratoryDongguanGuangdong523808China
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3
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Prabhathan P, Sreekanth KV, Teng J, Ko JH, Yoo YJ, Jeong HH, Lee Y, Zhang S, Cao T, Popescu CC, Mills B, Gu T, Fang Z, Chen R, Tong H, Wang Y, He Q, Lu Y, Liu Z, Yu H, Mandal A, Cui Y, Ansari AS, Bhingardive V, Kang M, Lai CK, Merklein M, Müller MJ, Song YM, Tian Z, Hu J, Losurdo M, Majumdar A, Miao X, Chen X, Gholipour B, Richardson KA, Eggleton BJ, Sharda K, Wuttig M, Singh R. Roadmap for phase change materials in photonics and beyond. iScience 2023; 26:107946. [PMID: 37854690 PMCID: PMC10579438 DOI: 10.1016/j.isci.2023.107946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023] Open
Abstract
Phase Change Materials (PCMs) have demonstrated tremendous potential as a platform for achieving diverse functionalities in active and reconfigurable micro-nanophotonic devices across the electromagnetic spectrum, ranging from terahertz to visible frequencies. This comprehensive roadmap reviews the material and device aspects of PCMs, and their diverse applications in active and reconfigurable micro-nanophotonic devices across the electromagnetic spectrum. It discusses various device configurations and optimization techniques, including deep learning-based metasurface design. The integration of PCMs with Photonic Integrated Circuits and advanced electric-driven PCMs are explored. PCMs hold great promise for multifunctional device development, including applications in non-volatile memory, optical data storage, photonics, energy harvesting, biomedical technology, neuromorphic computing, thermal management, and flexible electronics.
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Affiliation(s)
- Patinharekandy Prabhathan
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Kandammathe Valiyaveedu Sreekanth
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A∗STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore
| | - Jinghua Teng
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A∗STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore
| | - Joo Hwan Ko
- School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Young Jin Yoo
- School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Hyeon-Ho Jeong
- School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Yubin Lee
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Shoujun Zhang
- DELL, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Key Laboratory of Optoelectronic Information Technology (Ministry of Education of China), Tianjin University, Tianjin 300072, China
| | - Tun Cao
- DELL, School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116024, China
| | - Cosmin-Constantin Popescu
- Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Brian Mills
- Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Tian Gu
- Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Materials Research Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Zhuoran Fang
- Department of Electrical & Computer Engineering, University of Washington, Washington, Seattle, USA
| | - Rui Chen
- Department of Electrical & Computer Engineering, University of Washington, Washington, Seattle, USA
| | - Hao Tong
- Wuhan National Research Center for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Wang
- Wuhan National Research Center for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China
| | - Qiang He
- Wuhan National Research Center for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China
| | - Yitao Lu
- Wuhan National Research Center for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China
| | - Zhiyuan Liu
- Wuhan National Research Center for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China
| | - Han Yu
- Institute of Advanced Materials, Beijing Normal University, Beijing 100875, China
| | - Avik Mandal
- Nanoscale Optics Lab, ECE Department, University of Alberta, Edmonton, Canada
| | - Yihao Cui
- Nanoscale Optics Lab, ECE Department, University of Alberta, Edmonton, Canada
| | - Abbas Sheikh Ansari
- Nanoscale Optics Lab, ECE Department, University of Alberta, Edmonton, Canada
| | - Viraj Bhingardive
- Nanoscale Optics Lab, ECE Department, University of Alberta, Edmonton, Canada
| | - Myungkoo Kang
- CREOL, College of Optics and Photonics, University of Central Florida, Orlando, FL, USA
| | - Choon Kong Lai
- Institute of Photonics and Optical Science (IPOS), School of Physics, The University of Sydney, New South Wales, NSW 2006, Australia
- The University of Sydney Nano Institute (Sydney Nano), The University of Sydney, New South Wales, NSW 2006, Australia
| | - Moritz Merklein
- Institute of Photonics and Optical Science (IPOS), School of Physics, The University of Sydney, New South Wales, NSW 2006, Australia
- The University of Sydney Nano Institute (Sydney Nano), The University of Sydney, New South Wales, NSW 2006, Australia
| | | | - Young Min Song
- School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
- Anti-Viral Research Center, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
- AI Graduate School, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Zhen Tian
- DELL, Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Key Laboratory of Optoelectronic Information Technology (Ministry of Education of China), Tianjin University, Tianjin 300072, China
| | - Juejun Hu
- Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Materials Research Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Maria Losurdo
- Istituto di Chimica della Materia Condensata e di Tecnologie per l'Energia, CNR-ICMATE, Corso Stati Uniti 4, 35127 Padova, Italy
| | - Arka Majumdar
- Department of Electrical & Computer Engineering, University of Washington, Washington, Seattle, USA
| | - Xiangshui Miao
- Wuhan National Research Center for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China
| | - Xiao Chen
- Institute of Advanced Materials, Beijing Normal University, Beijing 100875, China
| | - Behrad Gholipour
- Nanoscale Optics Lab, ECE Department, University of Alberta, Edmonton, Canada
| | - Kathleen A. Richardson
- CREOL, College of Optics and Photonics, University of Central Florida, Orlando, FL, USA
- Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA
| | - Benjamin J. Eggleton
- Institute of Photonics and Optical Science (IPOS), School of Physics, The University of Sydney, New South Wales, NSW 2006, Australia
- The University of Sydney Nano Institute (Sydney Nano), The University of Sydney, New South Wales, NSW 2006, Australia
| | - Kanudha Sharda
- iScience, Cell Press, 125 London Wall, Barbican, London EC2Y 5AJ, UK
- iScience, Cell Press, RELX India Pvt Ltd., 14th Floor, Building No. 10B, DLF Cyber City, Phase II, Gurugram, Haryana 122002, India
| | - Matthias Wuttig
- Institute of Physics IA, RWTH Aachen University, 52074 Aachen, Germany
- Peter Grünberg Institute (PGI 10), Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Ranjan Singh
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore 639798, Singapore
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4
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Jiao P, Mueller J, Raney JR, Zheng XR, Alavi AH. Mechanical metamaterials and beyond. Nat Commun 2023; 14:6004. [PMID: 37752150 PMCID: PMC10522661 DOI: 10.1038/s41467-023-41679-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 09/14/2023] [Indexed: 09/28/2023] Open
Abstract
Mechanical metamaterials enable the creation of structural materials with unprecedented mechanical properties. However, thus far, research on mechanical metamaterials has focused on passive mechanical metamaterials and the tunability of their mechanical properties. Deep integration of multifunctionality, sensing, electrical actuation, information processing, and advancing data-driven designs are grand challenges in the mechanical metamaterials community that could lead to truly intelligent mechanical metamaterials. In this perspective, we provide an overview of mechanical metamaterials within and beyond their classical mechanical functionalities. We discuss various aspects of data-driven approaches for inverse design and optimization of multifunctional mechanical metamaterials. Our aim is to provide new roadmaps for design and discovery of next-generation active and responsive mechanical metamaterials that can interact with the surrounding environment and adapt to various conditions while inheriting all outstanding mechanical features of classical mechanical metamaterials. Next, we deliberate the emerging mechanical metamaterials with specific functionalities to design informative and scientific intelligent devices. We highlight open challenges ahead of mechanical metamaterial systems at the component and integration levels and their transition into the domain of application beyond their mechanical capabilities.
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Affiliation(s)
- Pengcheng Jiao
- Ocean College, Zhejiang University, Zhoushan, Zhejiang, China
| | - Jochen Mueller
- Department of Civil and Systems Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Jordan R Raney
- Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA, USA
| | - Xiaoyu Rayne Zheng
- Department of Materials Science and Engineering, University of California, Berkeley, CA, USA
| | - Amir H Alavi
- Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA, USA.
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA.
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5
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Santonocito A, Patrizi B, Toci G. Recent Advances in Tunable Metasurfaces and Their Application in Optics. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13101633. [PMID: 37242049 DOI: 10.3390/nano13101633] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023]
Abstract
Metasurfaces can be opportunely and specifically designed to manipulate electromagnetic wavefronts. In recent years, a large variety of metasurface-based optical devices such as planar lenses, beam deflectors, polarization converters, and so on have been designed and fabricated. Of particular interest are tunable metasurfaces, which allow the modulation of the optical response of a metasurface; for instance, the variation in the focal length of a converging metalens. Response tunability can be achieved through external sources that modify the permittivity of the materials constituting the nanoatoms, the substrate, or both. The modulation sources can be classified into electromagnetic fields, thermal sources, mechanical stressors, and electrical bias. Beside this, we will consider optical modulation and multiple approach tuning strategies. A great variety of tunable materials have been used in metasurface engineering, such as transparent conductive oxides, ferroelectrics, phase change materials, liquid crystals, and semiconductors. The possibility of tuning the optical properties of these metamaterials is very important for several applications spanning from basic optics to applied optics for communications, depth sensing, holographic displays, and biochemical sensors. In this review, we summarize the recent progress on electro-optical magnetic, mechanical, and thermal tuning of metasurfaces actually fabricated and experimentally tested in recent years. At the end of the review, a short section on possible future perspectives and applications is included.
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Affiliation(s)
- Alberto Santonocito
- National Institute of Optics-National Research Council (INO-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
- Department of Chemistry and Industrial Chemistry, Via G. Moruzzi 13, 56124 Pisa, Italy
| | - Barbara Patrizi
- National Institute of Optics-National Research Council (INO-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
| | - Guido Toci
- National Institute of Optics-National Research Council (INO-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
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6
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Jiao P, Zhang H, Li W. Origami Tribo-Metamaterials with Mechanoelectrical Multistability. ACS APPLIED MATERIALS & INTERFACES 2023; 15:2873-2880. [PMID: 36595717 DOI: 10.1021/acsami.2c16681] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The emerging mechanical functional metamaterials reported with promising mechanoelectrical characteristics bring increasing attention to structurally functional materials. It is essential to deploy mechanical metamaterials in energy materials for effective triggering and controllable mechanoelectrical response. This study reports origami tribo-metamaterials (OTMs) that design triboelectric materials in the origami-enabled, tubular metamaterials. The octagonal, hexagonal, and conical origami units are deployed as the metamaterial substrates to trigger the triboelectric pairs for mechanoelectrical multistability. For the octagonal OTM configuration with the triboelectric pair of fluorinated ethylene propylene-paper, the peak open-circuit voltage, short-circuit current, and transferred charge are obtained as 206.4 V, 4.66 μA, and 0.38 μC, respectively, and the maximum instantaneous output power density is 0.96 μW/cm2 with the load resistance of 20 MΩ. The OTM takes advantage of the origami metamaterials to obtain the multistable force-displacement response as effective stimuli for the triboelectric materials, which leads to tunable mechanoelectrical performance for speed and weight sensing and energy harvesting. The proposed OTM not only offers a strategy to structurally design energy materials to achieve desirable mechanoelectrical response, but also provides a guideline for the applications of mechanical functional metamaterials in practice.
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Affiliation(s)
- Pengcheng Jiao
- Institute of Port, Coastal and Offshore Engineering, Ocean College, Zhejiang University, Zhoushan316021, Zhejiang, P. R. China
- Donghai Laboratory, Zhoushan316021, Zhejiang, P. R. China
- Engineering Research Center of Oceanic Sensing Technology and Equipment, Ministry of Education, Hangzhou, Zhejiang310000, P. R. China
| | - Hao Zhang
- Institute of Port, Coastal and Offshore Engineering, Ocean College, Zhejiang University, Zhoushan316021, Zhejiang, P. R. China
| | - Wentao Li
- Interdisciplinary Student Training Platform for Marine Areas, Zhejiang University, Hangzhou, Zhejiang310027, P. R. China
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7
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Chen F, Yao J, Wang X, Wang S, Liu Z, Ding T. Fast modulation of surface plasmons based on the photothermal effect of nonvolatile solid thin films. NANOSCALE 2023; 15:476-482. [PMID: 36514986 DOI: 10.1039/d2nr05527a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Nonvolatile phase change materials owing to their robust stability and reversibility have shown significant potential in nanophotonic switches and memory devices. However, their performances deteriorate as the thickness decreases below 10 nm due to the local deformation induced by the phase change, which makes them less compatible with plasmonic nanogaps. Here, we address this issue by photothermally modulating the refractive index of germanium antimony telluride (GST) placed in plasmonic nanogaps, which tunes plasmon resonances in the visible region below the melting point of GST, making such optical switching highly reversible at a rate of up to hundreds of ∼kHz. They are also demonstrated to modulate the waveguiding efficiency of propagating surface plasmons, which is based on the photothermal modulation of plasmons with the assistance of GST. Such hybrid nanoplasmonic system with cost-effective fabrication and efficient operation method provides a promising route towards integrated nanophotonic chips.
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Affiliation(s)
- Fangqi Chen
- Key Laboratory of Artificial Micro/Nano Structure of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072, China.
| | - Jiacheng Yao
- Key Laboratory of Artificial Micro/Nano Structure of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072, China.
| | - Xujie Wang
- Key Laboratory of Artificial Micro/Nano Structure of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072, China.
| | - Shuangshuang Wang
- Key Laboratory of Artificial Micro/Nano Structure of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072, China.
| | - Ze Liu
- Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan, 430072, China
| | - Tao Ding
- Key Laboratory of Artificial Micro/Nano Structure of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072, China.
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8
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Xiao M, Lang T, Ren Z, Hong Z, Shen C, Zhang J, Cen W, Yu Z. Flexible graphene-based metamaterial sensor for highly sensitive detection of bovine serum albumin. APPLIED OPTICS 2022; 61:10574-10581. [PMID: 36607120 DOI: 10.1364/ao.476391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 11/11/2022] [Indexed: 06/17/2023]
Abstract
A graphene-based metamaterial sensor working in the terahertz spectrum is proposed, simulated, and experimentally verified by measuring bovine serum albumin (BSA). Flexible, low-cost polyimide (PI) is used as the substrate, and aluminum with periodic square rings is chosen as the metal layer. Furthermore, the introduction of the graphene monolayer interacts with the molecules through π-π stacking, resulting in the highly sensitive detection of BSA by calculating the amplitude changes at the resonance frequency. The sensor, which is a biosensor platform that offers the advantages of a small size, high sensitivity, and easy fabrication, is a promising method for THz biological detection.
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9
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Abdelraouf OAM, Wang Z, Liu H, Dong Z, Wang Q, Ye M, Wang XR, Wang QJ, Liu H. Recent Advances in Tunable Metasurfaces: Materials, Design, and Applications. ACS NANO 2022; 16:13339-13369. [PMID: 35976219 DOI: 10.1021/acsnano.2c04628] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Metasurfaces, a two-dimensional (2D) form of metamaterials constituted by planar meta-atoms, exhibit exotic abilities to tailor electromagnetic (EM) waves freely. Over the past decade, tremendous efforts have been made to develop various active materials and incorporate them into functional devices for practical applications, pushing the research of tunable metasurfaces to the forefront of nanophotonics. Those active materials include phase change materials (PCMs), semiconductors, transparent conducting oxides (TCOs), ferroelectrics, liquid crystals (LCs), atomically thin material, etc., and enable intriguing performances such as fast switching speed, large modulation depth, ultracompactness, and significant contrast of optical properties under external stimuli. Integration of such materials offers substantial tunability to the conventional passive nanophotonic platforms. Tunable metasurfaces with multifunctionalities triggered by various external stimuli bring in rich degrees of freedom in terms of material choices and device designs to dynamically manipulate and control EM waves on demand. This field has recently flourished with the burgeoning development of physics and design methodologies, particularly those assisted by the emerging machine learning (ML) algorithms. This review outlines recent advances in tunable metasurfaces in terms of the active materials and tuning mechanisms, design methodologies, and practical applications. We conclude this review paper by providing future perspectives in this vibrant and fast-growing research field.
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Affiliation(s)
- Omar A M Abdelraouf
- School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
| | - Ziyu Wang
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
| | - Hailong Liu
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
| | - Zhaogang Dong
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
| | - Qian Wang
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
| | - Ming Ye
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Xiao Renshaw Wang
- School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Qi Jie Wang
- School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Hong Liu
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
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10
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Zheng C, Simpson RE, Tang K, Ke Y, Nemati A, Zhang Q, Hu G, Lee C, Teng J, Yang JKW, Wu J, Qiu CW. Enabling Active Nanotechnologies by Phase Transition: From Electronics, Photonics to Thermotics. Chem Rev 2022; 122:15450-15500. [PMID: 35894820 DOI: 10.1021/acs.chemrev.2c00171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Phase transitions can occur in certain materials such as transition metal oxides (TMOs) and chalcogenides when there is a change in external conditions such as temperature and pressure. Along with phase transitions in these phase change materials (PCMs) come dramatic contrasts in various physical properties, which can be engineered to manipulate electrons, photons, polaritons, and phonons at the nanoscale, offering new opportunities for reconfigurable, active nanodevices. In this review, we particularly discuss phase-transition-enabled active nanotechnologies in nonvolatile electrical memory, tunable metamaterials, and metasurfaces for manipulation of both free-space photons and in-plane polaritons, and multifunctional emissivity control in the infrared (IR) spectrum. The fundamentals of PCMs are first introduced to explain the origins and principles of phase transitions. Thereafter, we discuss multiphysical nanodevices for electronic, photonic, and thermal management, attesting to the broad applications and exciting promises of PCMs. Emerging trends and valuable applications in all-optical neuromorphic devices, thermal data storage, and encryption are outlined in the end.
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Affiliation(s)
- Chunqi Zheng
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore.,NUS Graduate School, National University of Singapore, Singapore 119077, Singapore
| | - Robert E Simpson
- Engineering Product Development, Singapore University of Technology and Design (SUTD), Singapore 487372, Singapore
| | - Kechao Tang
- Key Laboratory of Microelectronic Devices and Circuits (MOE), School of Integrated Circuits, Peking University, Beijing 100871, China
| | - Yujie Ke
- Engineering Product Development, Singapore University of Technology and Design (SUTD), Singapore 487372, Singapore
| | - Arash Nemati
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore 138634, Singapore
| | - Qing Zhang
- School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Guangwei Hu
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
| | - Chengkuo Lee
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
| | - Jinghua Teng
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore 138634, Singapore
| | - Joel K W Yang
- Engineering Product Development, Singapore University of Technology and Design (SUTD), Singapore 487372, Singapore.,Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore 138634, Singapore
| | - Junqiao Wu
- Department of Materials Science and Engineering, University of California, Berkeley, and Lawrence Berkeley National Laboratory, California 94720, United States
| | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
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11
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Qiu Y, Yan DX, Feng QY, Li XJ, Zhang L, Qiu GH, Li JN. Vanadium dioxide-assisted switchable multifunctional metamaterial structure. OPTICS EXPRESS 2022; 30:26544-26556. [PMID: 36236843 DOI: 10.1364/oe.465062] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 06/28/2022] [Indexed: 06/16/2023]
Abstract
A multifunctional design based on vanadium dioxide (VO2) metamaterial structure is proposed. Broadband absorption, linear-to-linear (LTL) polarization conversion, linear-to-circular (LTC) polarization conversion, and total reflection can be achieved based on the insulator-to-metal transition (IMT) of VO2. When the VO2 is in the metallic state, the multifunctional structure can be used as a broadband absorber. The results show that the absorption rate exceeds 90% in the frequency band of 2.17 - 4.94 THz, and the bandwidth ratio is 77.8%. When VO2 is in the insulator state, for the incident terahertz waves with a polarization angle of 45°, the structure works as a polarization converter. In this case, LTC polarization conversion can be obtained in the frequency band of 0.1 - 3.5 THz, and LTL polarization conversion also can be obtained in the frequency band of 3.5 - 6 THz, especially in the 3.755 - 4.856 THz band that the polarization conversion rate is over 90%. For the incident terahertz waves with a polarization angle of 0°, the metamaterial structure can be used as a total reflector. Additionally, impacts of geometrical parameters, incidence angle and polarization angle on the operating characteristics have also been investigated. The designed switchable multifunctional metasurfaces are promising for a wide range of applications in advanced terahertz research and smart applications.
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12
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Yang J, Gurung S, Bej S, Ni P, Howard Lee HW. Active optical metasurfaces: comprehensive review on physics, mechanisms, and prospective applications. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2022; 85:036101. [PMID: 35244609 DOI: 10.1088/1361-6633/ac2aaf] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 09/28/2021] [Indexed: 06/14/2023]
Abstract
Optical metasurfaces with subwavelength thickness hold considerable promise for future advances in fundamental optics and novel optical applications due to their unprecedented ability to control the phase, amplitude, and polarization of transmitted, reflected, and diffracted light. Introducing active functionalities to optical metasurfaces is an essential step to the development of next-generation flat optical components and devices. During the last few years, many attempts have been made to develop tunable optical metasurfaces with dynamic control of optical properties (e.g., amplitude, phase, polarization, spatial/spectral/temporal responses) and early-stage device functions (e.g., beam steering, tunable focusing, tunable color filters/absorber, dynamic hologram, etc) based on a variety of novel active materials and tunable mechanisms. These recently-developed active metasurfaces show significant promise for practical applications, but significant challenges still remain. In this review, a comprehensive overview of recently-reported tunable metasurfaces is provided which focuses on the ten major tunable metasurface mechanisms. For each type of mechanism, the performance metrics on the reported tunable metasurface are outlined, and the capabilities/limitations of each mechanism and its potential for various photonic applications are compared and summarized. This review concludes with discussion of several prospective applications, emerging technologies, and research directions based on the use of tunable optical metasurfaces. We anticipate significant new advances when the tunable mechanisms are further developed in the coming years.
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Affiliation(s)
- Jingyi Yang
- Department of Physics & Astronomy, University of California, Irvine, CA 92697, United States of America
- Department of Physics, Baylor University, Waco, TX 76798, United States of America
| | - Sudip Gurung
- Department of Physics & Astronomy, University of California, Irvine, CA 92697, United States of America
- Department of Physics, Baylor University, Waco, TX 76798, United States of America
| | - Subhajit Bej
- Department of Physics, Baylor University, Waco, TX 76798, United States of America
| | - Peinan Ni
- Department of Physics, Baylor University, Waco, TX 76798, United States of America
| | - Ho Wai Howard Lee
- Department of Physics & Astronomy, University of California, Irvine, CA 92697, United States of America
- Department of Physics, Baylor University, Waco, TX 76798, United States of America
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13
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Meng Q, Chen X, Xu W, Zhu Z, Yuan X, Zhang J. High Q Resonant Sb 2S 3-Lithium Niobate Metasurface for Active Nanophotonics. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2373. [PMID: 34578689 PMCID: PMC8468812 DOI: 10.3390/nano11092373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 11/16/2022]
Abstract
Phase change materials (PCMs) are attracting more and more attentions as enabling materials for tunable nanophotonics. They can be processed into functional photonic devices through customized laser writing, providing great flexibility for fabrication and reconfiguration. Lithium Niobate (LN) has excellent nonlinear and electro-optical properties, but is difficult to process, which limits its application in nanophotonic devices. In this paper, we combine the emerging low-loss phase change material Sb2S3 with LN and propose a new type of high Q resonant metasurface. Simulation results show that the Sb2S3-LN metasurface has extremely narrow linewidth of 0.096 nm and high quality (Q) factor of 15,964. With LN as the waveguide layer, strong nonlinear properties are observed in the hybrid metasurface, which can be employed for optical switches and isolators. By adding a pair of Au electrodes on both sides of the LN, we can realize dynamic electro-optical control of the resonant metasurface. The ultra-low loss of Sb2S3, and its combination with LN, makes it possible to realize a new family of high Q resonant metasurfaces for actively tunable nanophotonic devices with widespread applications including optical switching, light modulation, dynamic beam steering, optical phased array and so on.
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Affiliation(s)
- Qi Meng
- College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; (Q.M.); (X.C.); (W.X.); (Z.Z.); (X.Y.)
- Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China
| | - Xingqiao Chen
- College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; (Q.M.); (X.C.); (W.X.); (Z.Z.); (X.Y.)
- Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China
| | - Wei Xu
- College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; (Q.M.); (X.C.); (W.X.); (Z.Z.); (X.Y.)
- Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China
| | - Zhihong Zhu
- College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; (Q.M.); (X.C.); (W.X.); (Z.Z.); (X.Y.)
- Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China
| | - Xiaodong Yuan
- College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; (Q.M.); (X.C.); (W.X.); (Z.Z.); (X.Y.)
- Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China
| | - Jianfa Zhang
- College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; (Q.M.); (X.C.); (W.X.); (Z.Z.); (X.Y.)
- Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China
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14
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Zhang Y, Fowler C, Liang J, Azhar B, Shalaginov MY, Deckoff-Jones S, An S, Chou JB, Roberts CM, Liberman V, Kang M, Ríos C, Richardson KA, Rivero-Baleine C, Gu T, Zhang H, Hu J. Electrically reconfigurable non-volatile metasurface using low-loss optical phase-change material. NATURE NANOTECHNOLOGY 2021; 16:661-666. [PMID: 33875868 DOI: 10.1038/s41565-021-00881-9] [Citation(s) in RCA: 127] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 02/25/2021] [Indexed: 05/11/2023]
Abstract
Active metasurfaces promise reconfigurable optics with drastically improved compactness, ruggedness, manufacturability and functionality compared to their traditional bulk counterparts. Optical phase-change materials (PCMs) offer an appealing material solution for active metasurface devices with their large index contrast and non-volatile switching characteristics. Here we report a large-scale, electrically reconfigurable non-volatile metasurface platform based on optical PCMs. The optical PCM alloy used in the devices, Ge2Sb2Se4Te (GSST), uniquely combines giant non-volatile index modulation capability, broadband low optical loss and a large reversible switching volume, enabling notably enhanced light-matter interactions within the active optical PCM medium. Capitalizing on these favourable attributes, we demonstrated quasi-continuously tuneable active metasurfaces with record half-octave spectral tuning range and large optical contrast of over 400%. We further prototyped a polarization-insensitive phase-gradient metasurface to realize dynamic optical beam steering.
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Affiliation(s)
- Yifei Zhang
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Clayton Fowler
- Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA
| | - Junhao Liang
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Bilal Azhar
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Mikhail Y Shalaginov
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Skylar Deckoff-Jones
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sensong An
- Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA
| | - Jeffrey B Chou
- Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA, USA
| | | | - Vladimir Liberman
- Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA, USA
| | - Myungkoo Kang
- The College of Optics and Photonics, Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA
| | - Carlos Ríos
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Kathleen A Richardson
- The College of Optics and Photonics, Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA
| | | | - Tian Gu
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Materials Research Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Hualiang Zhang
- Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA.
| | - Juejun Hu
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Materials Research Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA.
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15
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Jahani Y, Arvelo ER, Yesilkoy F, Koshelev K, Cianciaruso C, De Palma M, Kivshar Y, Altug H. Imaging-based spectrometer-less optofluidic biosensors based on dielectric metasurfaces for detecting extracellular vesicles. Nat Commun 2021; 12:3246. [PMID: 34059690 PMCID: PMC8167130 DOI: 10.1038/s41467-021-23257-y] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 04/12/2021] [Indexed: 12/14/2022] Open
Abstract
Biosensors are indispensable tools for public, global, and personalized healthcare as they provide tests that can be used from early disease detection and treatment monitoring to preventing pandemics. We introduce single-wavelength imaging biosensors capable of reconstructing spectral shift information induced by biomarkers dynamically using an advanced data processing technique based on an optimal linear estimator. Our method achieves superior sensitivity without wavelength scanning or spectroscopy instruments. We engineered diatomic dielectric metasurfaces supporting bound states in the continuum that allows high-quality resonances with accessible near-fields by in-plane symmetry breaking. The large-area metasurface chips are configured as microarrays and integrated with microfluidics on an imaging platform for real-time detection of breast cancer extracellular vesicles encompassing exosomes. The optofluidic system has high sensing performance with nearly 70 1/RIU figure-of-merit enabling detection of on average 0.41 nanoparticle/µm2 and real-time measurements of extracellular vesicles binding from down to 204 femtomolar solutions. Our biosensors provide the robustness of spectrometric approaches while substituting complex instrumentation with a single-wavelength light source and a complementary-metal-oxide-semiconductor camera, paving the way toward miniaturized devices for point-of-care diagnostics.
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Affiliation(s)
- Yasaman Jahani
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Eduardo R Arvelo
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Filiz Yesilkoy
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Kirill Koshelev
- Nonlinear Physics Center, Research School of Physics, Australian National University, Canberra, Australia
- School of Physics and Engineering, ITMO University, St Petersburg, Russia
| | - Chiara Cianciaruso
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Michele De Palma
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Yuri Kivshar
- Nonlinear Physics Center, Research School of Physics, Australian National University, Canberra, Australia
| | - Hatice Altug
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
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16
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Sreekanth KV, Medwal R, Das CM, Gupta M, Mishra M, Yong KT, Rawat RS, Singh R. Electrically Tunable All-PCM Visible Plasmonics. NANO LETTERS 2021; 21:4044-4050. [PMID: 33900781 DOI: 10.1021/acs.nanolett.1c00941] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The realization of electrically tunable plasmonic resonances in the ultraviolet (UV) to visible spectral band is particularly important for active nanophotonic device applications. However, the plasmonic resonances in the UV to visible wavelength range cannot be tuned due to the lack of tunable plasmonic materials. Here, we experimentally demonstrate tunable plasmonic resonances at visible wavelengths using a chalcogenide semiconductor alloy such as antimony telluride (Sb2Te3), by switching the structural phase of Sb2Te3 from amorphous to crystalline. We demonstrate the excitation of a propagating surface plasmon with a high plasmonic figure of merit in both amorphous and crystalline phases of Sb2Te3 thin films. We show polarization-dependent and -independent plasmonic resonances by fabricating one and two-dimensional periodic nanostructures in Sb2Te3 thin films, respectively. Moreover, we demonstrate electrically tunable plasmonic resonances using a microheater integrated with the Sb2Te3/Si device. The developed electrically tunable Sb2Te3-based plasmonic devices could find applications in the development of active color filters.
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Affiliation(s)
- Kandammathe Valiyaveedu Sreekanth
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Rohit Medwal
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore
| | - Chandreyee M Das
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 50 Nanyang Drive, Nanyang Technological University, Singapore, 637553, Singapore
| | - Manoj Gupta
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Mayank Mishra
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore
| | - Ken-Tye Yong
- School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Rajdeep Singh Rawat
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore
| | - Ranjan Singh
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore 639798, Singapore
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17
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Fan Z, Deng Q, Ma X, Zhou S. Phase Change Metasurfaces by Continuous or Quasi-Continuous Atoms for Active Optoelectronic Integration. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1272. [PMID: 33800108 PMCID: PMC7962191 DOI: 10.3390/ma14051272] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/25/2021] [Accepted: 03/03/2021] [Indexed: 11/16/2022]
Abstract
In recent decades, metasurfaces have emerged as an exotic and appealing group of nanophotonic devices for versatile wave regulation with deep subwavelength thickness facilitating compact integration. However, the ability to dynamically control the wave-matter interaction with external stimulus is highly desirable especially in such scenarios as integrated photonics and optoelectronics, since their performance in amplitude and phase control settle down once manufactured. Currently, available routes to construct active photonic devices include micro-electromechanical system (MEMS), semiconductors, liquid crystal, and phase change materials (PCMs)-integrated hybrid devices, etc. For the sake of compact integration and good compatibility with the mainstream complementary metal oxide semiconductor (CMOS) process for nanofabrication and device integration, the PCMs-based scheme stands out as a viable and promising candidate. Therefore, this review focuses on recent progresses on phase change metasurfaces with dynamic wave control (amplitude and phase or wavefront), and especially outlines those with continuous or quasi-continuous atoms in favor of optoelectronic integration.
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Affiliation(s)
- Zhihua Fan
- Chengdu Research Institute, Sichuan University of Arts and Science, No. 519 Tashi Road, Dazhou 635000, China; (Z.F.); (X.M.)
| | - Qinling Deng
- School of Microelectronics, South China University of Technology, No. 381 Wushan Road, Guangzhou 510640, China;
| | - Xiaoyu Ma
- Chengdu Research Institute, Sichuan University of Arts and Science, No. 519 Tashi Road, Dazhou 635000, China; (Z.F.); (X.M.)
- Chongqing Co-Core Optics & Electronics Technology Institute Co., Ltd., Panxi Road, Chongqing 400021, China
| | - Shaolin Zhou
- School of Microelectronics, South China University of Technology, No. 381 Wushan Road, Guangzhou 510640, China;
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18
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Tunable Split-Disk Metamaterial Absorber for Sensing Application. NANOMATERIALS 2021; 11:nano11030598. [PMID: 33673658 PMCID: PMC7997410 DOI: 10.3390/nano11030598] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 12/24/2020] [Accepted: 12/30/2020] [Indexed: 01/18/2023]
Abstract
We present four designs of tunable split-disk metamaterial (SDM) absorbers. They consist of a bottom gold (Au) mirror layer anchored on Si substrate and a suspended-top SDM nanostructure with one, two, three, and four splits named SDM-1, SDM-2, SDM-3, and SDM-4, respectively. By tailoring the geometrical configurations, the four SDMs exhibit different tunable absorption resonances spanning from 1.5 µm to 5.0 µm wavelength range. The resonances of absorption spectra can be tuned in the range of 320 nm, and the absorption intensities become lower by increasing the gaps of the air insulator layer. To increase the sensitivity of the proposed devices, SDMs exhibit high sensitivities of 3312 nm/RIU (refractive index unit, RIU), 3362 nm/RIU, 3342 nm/RIU, and 3567 nm/RIU for SDM-1, SDM-2, SDM-3, and SDM-4, respectively. The highest correlation coefficient is 0.99999. This study paves the way to the possibility of optical gas sensors and biosensors with high sensitivity.
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19
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Lin YS, Dai J, Zeng Z, Yang BR. Metasurface Color Filters Using Aluminum and Lithium Niobate Configurations. NANOSCALE RESEARCH LETTERS 2020; 15:77. [PMID: 32274605 PMCID: PMC7145885 DOI: 10.1186/s11671-020-03310-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 03/25/2020] [Indexed: 05/03/2023]
Abstract
Two designs of metasurface color filters (MCFs) using aluminum and lithium niobate (LN) configurations are proposed and numerically studied. They are denoted as tunable aluminum metasurface (TAM) and tunable LN metasurface (TLNM), respectively. The configurations of MCFs are composed of suspended metasurfaces above aluminum mirror layers to form a Fabry-Perot (F-P) resonator. The resonances of TAM and TLNM are red-shifted with tuning ranges of 100 nm and 111 nm, respectively, by changing the gap between the bottom mirror layer and top metasurface. Furthermore, the proposed devices exhibit perfect absorption with ultra-narrow bandwidth spanning the whole visible spectral range by composing the corresponding geometrical parameters. To increase the flexibility and applicability of proposed devices, TAM exhibits high sensitivity of 481.5 nm/RIU and TLNM exhibits high figure-of-merit (FOM) of 97.5 when the devices are exposed in surrounding environment with different refraction indexes. The adoption of LN-based metasurface can enhance FWHM and FOM values as 10-fold and 7-fold compared to those of Al-based metasurface, which greatly improves the optical performance and exhibits great potential in sensing applications. These proposed designs provide an effective approach for tunable high-efficiency color filters and sensors by using LN-based metamaterial.
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Affiliation(s)
- Yu-Sheng Lin
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Jie Dai
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Zhuoyu Zeng
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Bo-Ru Yang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, China.
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20
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Krishnamoorthy HNS, Adamo G, Yin J, Savinov V, Zheludev NI, Soci C. Infrared dielectric metamaterials from high refractive index chalcogenides. Nat Commun 2020; 11:1692. [PMID: 32245976 PMCID: PMC7125163 DOI: 10.1038/s41467-020-15444-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 02/28/2020] [Indexed: 11/09/2022] Open
Abstract
High-index dielectric materials are in great demand for nanophotonic devices and applications, from ultrathin optical elements to metal-free sub-diffraction light confinement and waveguiding. Here we show that chalcogenide topological insulators are particularly apt candidates for dielectric nanophotonics architectures in the infrared spectral range, by reporting metamaterial resonances in chalcogenide crystals sustained well inside the mid-infrared, choosing Bi2Te3 as case study within this family of materials. Strong resonant modulation of the incident electromagnetic field is achieved thanks to the exceptionally high refractive index ranging between 7 and 8 throughout the 2-10 μm region. Analysis of the complex mode structure in the metamaterial allude to the excitation of circular surface currents which could open pathways for enhanced light-matter interaction and low-loss plasmonic configurations by coupling to the spin-polarized topological surface carriers, thereby providing new opportunities to combine dielectric, plasmonic and magnetic metamaterials in a single platform.
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Affiliation(s)
- H N S Krishnamoorthy
- Centre for Disruptive Photonic Technologies, TPI, SPMS, Nanyang Technological University, Singapore, 637371, Singapore.
| | - G Adamo
- Centre for Disruptive Photonic Technologies, TPI, SPMS, Nanyang Technological University, Singapore, 637371, Singapore
| | - J Yin
- Centre for Disruptive Photonic Technologies, TPI, SPMS, Nanyang Technological University, Singapore, 637371, Singapore
| | - V Savinov
- Optoelectronics Research Centre & Centre for Photonic Metamaterials, University of Southampton, London, SO17 1BJ, UK
| | - N I Zheludev
- Centre for Disruptive Photonic Technologies, TPI, SPMS, Nanyang Technological University, Singapore, 637371, Singapore
- Optoelectronics Research Centre & Centre for Photonic Metamaterials, University of Southampton, London, SO17 1BJ, UK
| | - C Soci
- Centre for Disruptive Photonic Technologies, TPI, SPMS, Nanyang Technological University, Singapore, 637371, Singapore.
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21
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Lee CW, Choi HJ, Jeong H. Tunable metasurfaces for visible and SWIR applications. NANO CONVERGENCE 2020; 7:3. [PMID: 31956942 PMCID: PMC6970092 DOI: 10.1186/s40580-019-0213-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 12/03/2019] [Indexed: 05/17/2023]
Abstract
Demand on optical or photonic applications in the visible or short-wavelength infrared (SWIR) spectra, such as vision, virtual or augmented displays, imaging, spectroscopy, remote sensing (LIDAR), chemical reaction sensing, microscopy, and photonic integrated circuits, has envisaged new type of subwavelength-featured materials and devices for controlling electromagnetic waves. The study on metasurfaces, of which the thickness is either comparable to or smaller than the wavelength of the considered incoming electromagnetic wave, has been grown rapidly to embrace the needs of developing sub 100-micron active photonic pixelated devices and their arrayed form. Meta-atoms in metasurfaces are now actively controlled under external stimuli to lead to a large phase shift upon the incident light, which has provided a huge potential for arrayed two-dimensional active optics. This short review summarizes actively tunable or reconfigurable metasurfaces for the visible or SWIR spectra, to account for the physical operating principles and the current issues to overcome.
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Affiliation(s)
- Chang-Won Lee
- Institute of Advanced Optics and Photonics, Department of Applied Optics, Hanbat National University, Daejeon, 34158, Korea.
| | - Hee Jin Choi
- Institute of Advanced Optics and Photonics, Department of Applied Optics, Hanbat National University, Daejeon, 34158, Korea
| | - Heejeong Jeong
- Department of Physics, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia.
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Actively Tunable Metalens Array Based on Patterned Phase Change Materials. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9224927] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Recently, the metalens has been investigated for its application in many fields due to its advantages of being much smaller than a conventional lens and is compatible with nano-devices. Although metalenses have extraordinary optical performance, it is still not enough in some occasions such as wavefront detection for adaptive optics and display for large area applications. Using a metalens array is an ideal solution to solve these problems. Unfortunately, the common metalens array cannot be adjusted once it is fabricated, which limits its range of application. In this article, we designed an actively tunable metalens array for the first time by arranging the patterned phase change material Ge2Sb2Te5 (GST) appropriately. For the metalens array designed at the wavelength of 4.6 μm, it had excellent broadband performance in the range from 4.5 μm to 5.2 μm. On the other hand, by tuning the phase state of GST, the focus and display of the metalens array can be controlled, acting as switching on or off. Furthermore, any graphics constructed with patterned focal spots can be achieved when the metalens array has sufficient secondary unit cells. The proposed metalens may have potential application value in the adaptive optics and dynamic display field.
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Karvounis A, Aspiotis N, Zeimpekis I, Ou J, Huang C, Hewak D, Zheludev NI. Mechanochromic Reconfigurable Metasurfaces. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1900974. [PMID: 31728279 PMCID: PMC6839638 DOI: 10.1002/advs.201900974] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 08/09/2019] [Indexed: 05/24/2023]
Abstract
The change of optical properties that some usually natural compounds or polymeric materials show upon the application of external stress is named mechanochromism. Herein, an artificial nanomechanical metasurface formed by a subwavelength nanowire array made of molybdenum disulfide, molybdenum oxide, and silicon nitride changes color upon mechanical deformation. The aforementioned deformation induces reversible changes in the optical transmission (relative transmission change of 197% at 654 nm), thus demonstrating a giant mechanochromic effect. Moreover, these types of metasurfaces can exist in two nonvolatile states presenting a difference in optical transmission of 45% at 678 nm, when they are forced to bend rapidly. The wide optical tunability that photonic nanomechanical metasurfaces, such as the one presented here, possess by design, can provide a valuable platform for mechanochromic and bistable responses across the visible and near infrared regime and form a new family of smart materials with applications in reconfigurable, multifunctional photonic filters, switches, and stress sensors.
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Affiliation(s)
- Artemios Karvounis
- Optoelectronics Research CentreUniversity of SouthamptonSouthamptonSO17 1BJUK
- Optical Nanomaterial GroupInstitute for Quantum ElectronicsETH Zurich8093ZurichSwitzerland
| | - Nikolaos Aspiotis
- Optoelectronics Research CentreUniversity of SouthamptonSouthamptonSO17 1BJUK
| | - Ioannis Zeimpekis
- Optoelectronics Research CentreUniversity of SouthamptonSouthamptonSO17 1BJUK
| | - Jun‐Yu Ou
- Optoelectronics Research CentreUniversity of SouthamptonSouthamptonSO17 1BJUK
| | - Chung‐Che Huang
- Optoelectronics Research CentreUniversity of SouthamptonSouthamptonSO17 1BJUK
| | - Daniel Hewak
- Optoelectronics Research CentreUniversity of SouthamptonSouthamptonSO17 1BJUK
| | - Nikolay I. Zheludev
- Optoelectronics Research CentreUniversity of SouthamptonSouthamptonSO17 1BJUK
- Centre for Disruptive Photonic Technologies & The Photonics InstituteSchool of Physical and Mathematical SciencesNanyang Technological UniversitySingapore637371Singapore
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Affiliation(s)
- Behrad Gholipour
- Department of Electrical and Computer Engineering, Faculty of Engineering, Donadeo Innovation Centre for Engineering, University of Alberta, Edmonton, Alberta, Canada
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