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Sahu RR, Ramasamy AS, Bhonsle S, Vailshery M, S A, Kumar H, Das Gupta T. Single-step fabrication of liquid gallium nanoparticles via capillary interaction for dynamic structural colours. NATURE NANOTECHNOLOGY 2024; 19:766-774. [PMID: 38388966 PMCID: PMC11186779 DOI: 10.1038/s41565-024-01625-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 02/02/2024] [Indexed: 02/24/2024]
Abstract
Incorporating structural coloured materials in flexible and stretchable elastomeric substrates requires numerous steps that compromise their scalability and economic viability for prospective applications in visual sensors and displays. Here we describe a one-step approach for fabricating plasmonic Ga nanostructures embedded in a polydimethylsiloxane substrate exhibiting tunable chromaticity, in response to mechanical stimuli. The process exploits the capillary interactions between uncrosslinked oligomeric chains of the substrate and Ga metal deposited by thermal evaporation, as elucidated by a theoretical model that we developed. By tuning the oligomer content in polydimethylsiloxane, we attain a range of colours covering a substantial gamut in CIE (Commission Internationale de l'Éclairage) coordinates. This mechanochromic flexible substrate shows reversible response to external mechanical stimuli for ~80,000 cycles. We showcase the capabilities of our processing technique by presenting prototypes of reflective displays and sensors for monitoring body parts, smart bandages and the capacity of the nanostructured film to map force in real time.
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Affiliation(s)
- Renu Raman Sahu
- Laboratory of Advanced Nanostructures for Photonics and Electronics, Department of Instrumentation and Applied Physics, Indian Institute of Science, Bengaluru, India
| | - Alwar Samy Ramasamy
- Laboratory of Advanced Nanostructures for Photonics and Electronics, Department of Instrumentation and Applied Physics, Indian Institute of Science, Bengaluru, India
| | - Santosh Bhonsle
- Laboratory of Advanced Nanostructures for Photonics and Electronics, Department of Instrumentation and Applied Physics, Indian Institute of Science, Bengaluru, India
| | - Mark Vailshery
- Laboratory of Advanced Nanostructures for Photonics and Electronics, Department of Instrumentation and Applied Physics, Indian Institute of Science, Bengaluru, India
| | - Archana S
- Advanced Facility for Microscopy and Microanalysis, Department of Materials Engineering, Indian Institute of Science, Bengaluru, India
| | - Hemant Kumar
- Advanced Facility for Microscopy and Microanalysis, Department of Materials Engineering, Indian Institute of Science, Bengaluru, India
| | - Tapajyoti Das Gupta
- Laboratory of Advanced Nanostructures for Photonics and Electronics, Department of Instrumentation and Applied Physics, Indian Institute of Science, Bengaluru, India.
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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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Jana S, Sreekanth KV, Abdelraouf OAM, Lin R, Liu H, Teng J, Singh R. Aperiodic Bragg Reflectors for Tunable High-Purity Structural Color Based on Phase Change Material. NANO LETTERS 2024; 24:3922-3929. [PMID: 38506481 DOI: 10.1021/acs.nanolett.4c00052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Tunable thin-film coating-based reflective color displays have versatile applications including image sensors, camouflage devices, spatial light modulators, and intelligent windows. However, generating high-purity colors using such coatings have posed a challenge. Here, we reveal high-purity color generation using an ultralow-loss phase change material (Sb2S3)-based tunable aperiodic distributed Bragg reflector (A-DBR). By strategically adjusting the periodicity of the adjacent layers of A-DBRs, we realize a narrow photonic bandgap with high reflectivity to generate high-purity orange and yellow colors. In particular, we demonstrate an A-DBR with a large photonic bandgap tunability by changing the structural phase of Sb2S3 layers from amorphous to crystalline. Moreover, we experimentally tailor multistate tunable colors through external optical stimuli. Unlike conventional nano thin-film coatings, our proposed approach offers an irradiance-free, narrowband, and highly reflective color band, achieving exceptional color purity by effectively suppressing reflections in off-color bands.
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Affiliation(s)
- Sambhu Jana
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore637371
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore 639798
| | - 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
| | - Omar A M Abdelraouf
- 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
| | - Ronghui Lin
- 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
| | - Hong Liu
- 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
| | - Ranjan Singh
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore637371
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore 639798
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Kim HJ, Julian M, Williams C, Bombara D, Hu J, Gu T, Aryana K, Sauti G, Humphreys W. Versatile spaceborne photonics with chalcogenide phase-change materials. NPJ Microgravity 2024; 10:20. [PMID: 38378811 PMCID: PMC10879159 DOI: 10.1038/s41526-024-00358-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/24/2024] [Indexed: 02/22/2024] Open
Abstract
Recent growth in space systems has seen increasing capabilities packed into smaller and lighter Earth observation and deep space mission spacecraft. Phase-change materials (PCMs) are nonvolatile, reconfigurable, fast-switching, and have recently shown a high degree of space radiation tolerance, thereby making them an attractive materials platform for spaceborne photonics applications. They promise robust, lightweight, and energy-efficient reconfigurable optical systems whose functions can be dynamically defined on-demand and on-orbit to deliver enhanced science or mission support in harsh environments on lean power budgets. This comment aims to discuss the recent advances in rapidly growing PCM research and its potential to transition from conventional terrestrial optoelectronics materials platforms to versatile spaceborne photonic materials platforms for current and next-generation space and science missions. Materials International Space Station Experiment-14 (MISSE-14) mission-flown PCMs outside of the International Space Station (ISS) and key results and NASA examples are highlighted to provide strong evidence of the applicability of spaceborne photonics.
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Affiliation(s)
| | | | - Calum Williams
- Department of Physics, University of Cambridge, Cambridge, CB3 0HE, UK
| | - David Bombara
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Juejun Hu
- Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Materials Research Laboratory, 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
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5
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Rovenská K, Ligmajer F, Idesová B, Kepič P, Liška J, Chochol J, Šikola T. Structural color filters with compensated angle-dependent shifts. OPTICS EXPRESS 2023; 31:43048-43056. [PMID: 38178407 DOI: 10.1364/oe.506069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 11/08/2023] [Indexed: 01/06/2024]
Abstract
Structural color filters use nano-sized elements to selectively transmit incident light, offering a scalable, economical, and environmentally friendly alternative to traditional pigment- and dye-based color filters. However, their structural nature makes their optical response prone to spectral shifts whenever the angle of incidence varies. We address this issue by introducing a conformal VO2 layer onto bare aluminum structural color filters. The insulator-metal transition of VO2 compensated the spectral shift of the filter's transmission at a 15° tilt with 80% efficiency. Unlike solutions that require adjustment of the filter's geometry, this method is versatile and suitable also for existing structural filters. Our findings also establish tunable materials in general as a possible solution for angle-dependent spectral shifts.
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Sreekanth KV, Perumal J, Dinish US, Prabhathan P, Liu Y, Singh R, Olivo M, Teng J. Tunable Tamm plasmon cavity as a scalable biosensing platform for surface enhanced resonance Raman spectroscopy. Nat Commun 2023; 14:7085. [PMID: 37925522 PMCID: PMC10625559 DOI: 10.1038/s41467-023-42854-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 10/24/2023] [Indexed: 11/06/2023] Open
Abstract
Surface enhanced Resonance Raman spectroscopy (SERRS) is a powerful technique for enhancing Raman spectra by matching the laser excitation wavelength with the plasmonic resonance and the absorption peak of biomolecules. Here, we propose a tunable Tamm plasmon polariton (TPP) cavity based on a metal on distributed Bragg reflector (DBR) as a scalable sensing platform for SERRS. We develop a gold film-coated ultralow-loss phase change material (Sb2S3) based DBR, which exhibits continuously tunable TPP resonances in the optical wavelengths. We demonstrate SERRS by matching the TPP resonance with the absorption peak of the chromophore molecule at 785 nm wavelength. We use this platform to detect cardiac Troponin I protein (cTnI), a biomarker for early diagnosis of cardiovascular disease, achieving a detection limit of 380 fM. This scalable substrate shows great promise as a next-generation tunable biosensing platform for detecting disease biomarkers in body fluids for routine real-time clinical diagnosis.
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Affiliation(s)
- 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.
| | - Jayakumar Perumal
- 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
- A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), 31 Biopolis Way, Nanos #07-01, Singapore, 138669, Republic of Singapore
| | - U S Dinish
- 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
- A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), 31 Biopolis Way, Nanos #07-01, Singapore, 138669, Republic of Singapore
| | - Patinharekandy Prabhathan
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Republic of Singapore
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore, 639798, Republic of Singapore
| | - Yuanda Liu
- 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
| | - Ranjan Singh
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Republic of Singapore.
- Centre for Disruptive Photonic Technologies, The Photonic Institute, 50 Nanyang Avenue, Singapore, 639798, Republic of Singapore.
| | - Malini Olivo
- 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.
- A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), 31 Biopolis Way, Nanos #07-01, Singapore, 138669, 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.
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7
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Ko JH, Park J, Yoo YJ, Chang S, Kang J, Wu A, Yang F, Kim S, Jeon H, Song YM. Full-Control and Switching of Optical Fano Resonance by Continuum State Engineering. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304310. [PMID: 37691086 PMCID: PMC10646235 DOI: 10.1002/advs.202304310] [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: 06/27/2023] [Revised: 08/01/2023] [Indexed: 09/12/2023]
Abstract
Fano resonance, known for its unique asymmetric line shape, has gained significant attention in photonics, particularly in sensing applications. However, it remains difficult to achieve controllable Fano parameters with a simple geometric structure. Here, a novel approach of using a thin-film optical Fano resonator with a porous layer to generate entire spectral shapes from quasi-Lorentzian to Lorentzian to Fano is proposed and experimentally demonstrated. The glancing angle deposition technique is utilized to create a polarization-dependent Fano resonator. By altering the linear polarization between s- and p-polarization, a switchable Fano device between quasi-Lorentz state and negative Fano state is demonstrated. This change in spectral shape is advantageous for detecting materials with a low-refractive index. A bio-particle sensing experiment is conducted that demonstrates an enhanced signal-to-noise ratio and prediction accuracy. Finally, the challenge of optimizing the film-based Fano resonator due to intricate interplay among numerous parameters, including layer thicknesses, porosity, and materials selection, is addressed. The inverse design tool is developed based on a multilayer perceptron model that allows fast computation for all ranges of Fano parameters. The method provides improved accuracy of the mean validation factor (MVF = 0.07, q-q') compared to the conventional exhaustive enumeration method (MVF = 0.37).
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Affiliation(s)
- Joo Hwan Ko
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Jin‐Hwi Park
- Artificial Intelligence Graduate SchoolGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Young Jin Yoo
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
- Department of Mechanical EngineeringMassachusetts Institute of TechnologyCambridgeMA02139USA
| | - Sehui Chang
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Jiwon Kang
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Aiguo Wu
- Cixi Institute of Biomedical EngineeringInternational Cooperation Base of Biomedical Materials Technology and ApplicationChinese Academy of Sciences (CAS) KeyLaboratory of Magnetic Materials and DevicesZhejiang Engineering Research Center for Biomedical MaterialsNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingboZhejiang315201China
- Advanced Energy Science and Technology Guangdong LaboratoryHuizhou516000China
| | - Fang Yang
- Cixi Institute of Biomedical EngineeringInternational Cooperation Base of Biomedical Materials Technology and ApplicationChinese Academy of Sciences (CAS) KeyLaboratory of Magnetic Materials and DevicesZhejiang Engineering Research Center for Biomedical MaterialsNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingboZhejiang315201China
- Advanced Energy Science and Technology Guangdong LaboratoryHuizhou516000China
| | - Sejeong Kim
- Department of Electrical and Electronic EngineeringUniversity of MelbourneParkville3010Australia
| | - Hae‐Gon Jeon
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
- Artificial Intelligence Graduate SchoolGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Young Min Song
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
- Artificial Intelligence Graduate SchoolGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
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8
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Deng Z, Zhou P, Hu W, Wang X, Gong R. Biomimetic multilayer film simulating solar spectrum reflection characteristics of natural vegetations for optical camouflage. OPTICS EXPRESS 2023; 31:37082-37093. [PMID: 38017845 DOI: 10.1364/oe.501565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/09/2023] [Indexed: 11/30/2023]
Abstract
The camouflage for developed hyperspectral detection technology, which can accurately distinguish the spectrum between object and background, has emerged as an important unsolved challenge. In this study, a biomimetic film (Ge/ZnS multilayer structure) for optical camouflage of hyperspectral and laser with color simulation has been proposed and experimentally demonstrated. By taking advantage of the wavelength selective property of Ge/ZnS multilayer through film interference, the biomimetic film which can simulate the reflection spectral characteristics of vegetation background and eliminate laser signal has been realized based on inverse design. The selective narrowband absorption can manipulate the contrary condition for hyperspectral camouflage (high reflectance in 0.8-1.3 µm) and laser camouflage (low reflectance at 1.06 µm) in the same waveband. The planarized biomimetic multilayer film presents several distinct advantages: (1) elaborate simulation of vegetation reflectance spectrum for hyperspectral camouflage (the spectral similarity coefficient of 92.1%), and efficient absorption at 1.06 µm for laser camouflage (reflectance of 17.8%); (2) tunable color chrominance of various vegetation types for visual camouflage; (3) thermally robust camouflage performance (up to 250 °C) due to temperature endurable property of Ge and ZnS. The hyperspectral-laser camouflage film expands the design strategy of optical camouflage application.
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9
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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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10
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Yimam DT, Liang M, Ye J, Kooi BJ. 3D Nanostructuring of Phase-Change Materials Using Focused Ion Beam toward Versatile Optoelectronics Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2303502. [PMID: 37657490 DOI: 10.1002/adma.202303502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 08/23/2023] [Indexed: 09/03/2023]
Abstract
In recent years, phase-change materials have gained importance in nanophotonics and optoelectronics. Sizable optical contrast and added degree of freedom from phase switching drive the use of phase-change materials in various optical devices with outstanding results and potential for real-world applications. The local crystallization/amorphization of phase-change materials and the corresponding reflectance tuning by the crystallized/amorphized region size have potential applications, for example, for future dynamic display devices. Although the resolution is much higher than in current display devices, the pixel sizes in those devices are limited by the locally switchable structure size. Here, the spot sizes are further reduced by using ion beams instead of laser beams, dramatically increasing pixel density, demonstrating superior resolution. In addition, the power to sputter away materials can be utilized in creating nanostructures with relative height differences and local contrast. The experiment focuses on one archetypal phase-change material, Sb2 Se3 , prepared by pulsed-laser deposition on a reflective gold substrate. This study demonstrates that structural colors can be produced and reflectance tuning can be achieved by focused ion beam milling/sputtering of phase-change materials at the nanoscale. Furthermore, the local structuring of phase-change materials by focused ion beam can produce high-pixel-density display devices with superior resolutions.
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Affiliation(s)
- Daniel T Yimam
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Minpeng Liang
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Jianting Ye
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Bart J Kooi
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
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11
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ElKabbash M, Hoffman N, Lininger AR, Jalil SA, Letsou T, Hinczewski M, Strangi G, Guo C. Fano resonant optical coatings platform for full gamut and high purity structural colors. Nat Commun 2023; 14:3960. [PMID: 37407559 DOI: 10.1038/s41467-023-39602-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 06/16/2023] [Indexed: 07/07/2023] Open
Abstract
Structural coloring is a photostable and environmentally friendly coloring approach that harnesses optical interference and nanophotonic resonances to obtain colors with a range of applications including display technologies, colorful solar panels, steganography, décor, data storage, and anticounterfeiting measures. We show that optical coatings exhibiting the photonic Fano Resonance present an ideal platform for structural coloring; they provide full color access, high color purity, high brightness, controlled iridescence, and scalable manufacturing. We show that an additional oxide film deposited on Fano resonant optical coatings (FROCs) increases the color purity (up to 99%) and color gamut coverage range of FROCs to 61% of the CIE color space. For wide-area structural coloring applications, FROCs have a significant advantage over existing structural coloring schemes.
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Affiliation(s)
- Mohamed ElKabbash
- The Institute of Optics, University of Rochester, Rochester, NY, 14627, USA.
- College of Optical Sciences, University of Arizona, Tucson, AZ, 85721, USA.
| | - Nathaniel Hoffman
- Department of Physics, Case Western Reserve University, 10600 Euclid Avenue, Cleveland, Ohio, 44106, USA
| | - Andrew R Lininger
- Department of Physics, Case Western Reserve University, 10600 Euclid Avenue, Cleveland, Ohio, 44106, USA
| | - Sohail A Jalil
- The Institute of Optics, University of Rochester, Rochester, NY, 14627, USA
| | - Theodore Letsou
- Department of Physics, Case Western Reserve University, 10600 Euclid Avenue, Cleveland, Ohio, 44106, USA
| | - Michael Hinczewski
- Department of Physics, Case Western Reserve University, 10600 Euclid Avenue, Cleveland, Ohio, 44106, USA.
| | - Giuseppe Strangi
- Department of Physics, Case Western Reserve University, 10600 Euclid Avenue, Cleveland, Ohio, 44106, USA.
- CNR-NANOTEC and the Department of Physics University of Calabria, Rende, Italy.
| | - Chunlei Guo
- The Institute of Optics, University of Rochester, Rochester, NY, 14627, USA.
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12
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Prabhathan P, Sreekanth KV, Teng J, Singh R. Electrically Tunable Steganographic Nano-Optical Coatings. NANO LETTERS 2023. [PMID: 37200154 DOI: 10.1021/acs.nanolett.3c01244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Thin film coatings with tunable colors have a broad range of applications, from solid-state reflective displays to steganography. Here, we propose a novel approach to chalcogenide phase change material (PCM)-incorporated steganographic nano-optical coatings (SNOC) as thin film color reflectors for optical steganography. The proposed SNOC design combines a broad-band and a narrow-band absorber made up of PCMs to achieve tunable optical Fano resonance in the visible wavelength, which is a scalable platform for accessing the full-color range. We demonstrate that the line width of the Fano resonance can be dynamically tuned by switching the structural phase of PCM from amorphous to crystalline, which is crucial for obtaining high-purity colors. For steganography applications, the cavity layer of SNOC is divided into an ultralow loss PCM and a high index dielectric material with identical optical thickness. We show that electrically tunable color pixels can be fabricated using the SNOC on a microheater device.
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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
| | - 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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13
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Takashima Y, Nagamatsu K, Haraguchi M, Naoi Y. Ultra-thin deep ultraviolet perfect absorber using an Al/TiO 2/AlN system. OPTICS EXPRESS 2022; 30:44229-44239. [PMID: 36523102 DOI: 10.1364/oe.474847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 11/01/2022] [Indexed: 06/17/2023]
Abstract
An ultra-thin perfect absorber for deep ultraviolet light was realized using an Al/TiO2/AlN system. The TiO2 thickness was optimized using the Fresnel phasor diagram in complex space to achieve perfect light absorption. As a result of the calculation almost perfect absorption into the TiO2 film was found, despite the film being much thinner than the wavelength. An optimized Al/TiO2/AlN system was fabricated, and an average absorption greater than 97% was experimentally demonstrated at wavelengths of approximately 255-280 nm at normal light incidence. Our structure does not require nanopatterning processes, and this is advantageous for low-cost and large-area manufacturing.
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14
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Li W, Xu M, Xu HX, Wang X, Huang W. Metamaterial Absorbers: From Tunable Surface to Structural Transformation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2202509. [PMID: 35604541 DOI: 10.1002/adma.202202509] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/28/2022] [Indexed: 06/15/2023]
Abstract
Since the first demonstration, remarkable progress has been made in the theoretical analysis, structural design, numerical simulation, and potential applications of metamaterial absorbers (MAs). With the continuous advancement of novel materials and creative designs, the absorption of MAs is significantly improved over a wide frequency spectrum from microwaves to the optical regime. Further, the integration of active elements into the MA design allows the dynamical manipulation of electromagnetic waves, opening a new platform to push breakthroughs in metadevices. In the last several years, numerous efforts have been devoted to exploring innovative approaches for incorporating tunability to MAs, which is highly desirable because of the progressively increasing demand on designing versatile metadevices. Here, a comprehensive and systematical overview of active MAs with adaptive and on-demand manner is presented, highlighting innovative materials and unique strategies to precisely control the electromagnetic response. In addition to the mainstream method by manipulating periodic patterns, two additional approaches, including tailoring dielectric spacer and transforming overall structure are called back. Following this, key parameters, such as operating frequency, relative tuning range, and switching speed are summarized and compared to guide for optimum design. Finally, potential opportunities in the development of active MAs are discussed.
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Affiliation(s)
- Weiwei Li
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
- Shaanxi Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
| | - Manzhang Xu
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
- Shaanxi Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
| | - He-Xiu Xu
- Air and Missile Defense College, Air Force Engineering University, Xi'an, 710051, P. R. China
| | - Xuewen Wang
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
- Shaanxi Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
- MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
- Shaanxi Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
- MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, P. R. China
- State Key Laboratory of Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, P. R. China
- Key Laboratory of Flexible Electronics(KLoFE)and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211800, P. R. China
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15
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Sreekanth KV, Prabhathan P, Chaturvedi A, Lekina Y, Han S, Zexiang S, Tong Teo EH, Teng J, Singh R. Wide-Angle Tunable Critical Coupling in Nanophotonic Optical Coatings with Low-Loss Phase Change Material. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202005. [PMID: 35714298 DOI: 10.1002/smll.202202005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Realizing perfect light absorption in stacked thin films of dielectrics and metals through critical light coupling has recently received intensive research attention. In addition, realizing ultra-thin perfect absorber and tunable perfect absorber in the visible spectrum is essential for novel optoelectronics applications. However, the existing thin film stacks cannot show tunable perfect absorption in a wide-angle range. Here, a tunable perfect absorption from normal incidence to a wide-angle range (0° to 70°) by utilizing a two-layer stack consisting of a high refractive index low-loss dielectric on a high reflecting metal is proposed. This is experimentally demonstrated by depositing a thin layer of low-loss phase change material such as stibnite (Sb2 S3 ) on a thin layer of silver. This structure shows tunable perfect absorption with large spectral tunability in the visible wavelength. Furthermore, the absorption enhancement in 2D materials by transferring monolayer molybdenum disulfide on the stack, which shows 96% light absorption with enhanced photoluminescence, is demonstrated. In addition, the thin film stack can work as a scalable phase modulator offering a maximum phase tunability of ≈140° by changing the structural state of Sb2 S3 from amorphous to crystalline.
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Affiliation(s)
- Kandammathe Valiyaveedu Sreekanth
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore
| | - Patinharekandy Prabhathan
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, Singapore, 637371, Singapore
| | - Apoorva Chaturvedi
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Yulia Lekina
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, Singapore, 637371, Singapore
| | - Song Han
- ZJU-Hangzhou Global Science and Technology Innovation Center, Key Laboratory of Advanced Micro/Nano Electronic Devices & Smart Systems of Zhejiang, Zhejiang University, Hangzhou, 311200, China
| | - Shen Zexiang
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, Singapore, 637371, Singapore
| | - Edwin Hang Tong Teo
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
- School of Electrical and Electronics Engineering, Nanyang Technological University, 50, Nanyang Avenue, Singapore, 639798, Singapore
| | - Jinghua Teng
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore
| | - Ranjan Singh
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, Singapore, 637371, Singapore
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16
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Xiong L, Ding H, Lu Y, Li G. Extremely Narrow and Actively Tunable Mie Surface Lattice Resonances in GeSbTe Metasurfaces: Study. NANOMATERIALS 2022; 12:nano12040701. [PMID: 35215029 PMCID: PMC8877977 DOI: 10.3390/nano12040701] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/10/2022] [Accepted: 02/18/2022] [Indexed: 12/07/2022]
Abstract
Mie surface lattice resonances (SLRs) supported by periodic all-dielectric nanoparticles emerge from the radiative coupling of localized Mie resonances in individual nanoparticles through Rayleigh anomaly diffraction. To date, it remains challenging to achieve narrow bandwidth and active tuning simultaneously. In this work, we report extremely narrow and actively tunable electric dipole SLRs (ED-SLRs) in Ge2Se2Te5 (GST) metasurfaces. Simulation results show that, under oblique incidence with TE polarization, ED-SLRs with extremely narrow linewidth down to 12 nm and high quality factor up to 409 can be excited in the mid-infrared regime. By varying the incidence angle, the ED-SLR can be tuned over an extremely large spectral region covering almost the entire mid-infrared regime. We further numerically show that, by changing the GST crystalline fraction, the ED-SLR can be actively tuned, leading to nonvolatile, reconfigurable, and narrowband filtering, all-optical multilevel modulation, or all-optical switching with high performance. We expect that this work will advance the engineering of Mie SLRs and will find intriguing applications in optical telecommunication, networks, and microsystems.
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Affiliation(s)
- Lei Xiong
- School of Information Science and Engineering, Yunnan University, Kunming 650500, China;
- CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
| | - Hongwei Ding
- School of Information Science and Engineering, Yunnan University, Kunming 650500, China;
- Correspondence: (H.D.); (G.L.)
| | - Yuanfu Lu
- CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen 518055, China
| | - Guangyuan Li
- CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen 518055, China
- Correspondence: (H.D.); (G.L.)
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17
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Xu X, Xu R, Lin YS. A voltage-controllable VO 2 based metamaterial perfect absorber for CO 2 gas sensing application. NANOSCALE 2022; 14:2722-2728. [PMID: 35112692 DOI: 10.1039/d1nr07746e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Vanadium dioxide (VO2) based metamaterial perfect absorbers (MPAs) have high potential application values in sensing gas molecules. However, a tuning mechanism via temperature manipulation lacks the compatibility with electronic devices. In this study, a voltage-controllable device is proposed by integrating an MPA and micro-electro-mechanical system (MEMS) based microheater for CO2 gas sensing application. The MPA is composed of a metal-dielectric-metal (MDM) structure and tailored to form an H-shaped metamaterial. The central bar of the H-shaped metamaterial is composed of a VO2 material, which exhibits perfect absorption in the CO2 gas absorption spectrum, i.e., at a wavelength of 2.70 μm. The intergated microheater is patterned by using fractal theory to provide high heating temperature and high uniformity of surface temperature. By precisely driving a DC bias voltage on the microheater, the MPA is heated and it can exhibit switchable optical properties with high efficiency. These results provide a strategy to open an avenue for sensors, absorbers, switches, and programmable devices in infrared wavelength range applications.
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Affiliation(s)
- Xiaocan Xu
- School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Ruijia Xu
- School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Yu-Sheng Lin
- School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, China.
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