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Lobet M, Kinsey N, Liberal I, Caglayan H, Huidobro PA, Galiffi E, Mejía-Salazar JR, Palermo G, Jacob Z, Maccaferri N. New Horizons in Near-Zero Refractive Index Photonics and Hyperbolic Metamaterials. ACS PHOTONICS 2023; 10:3805-3820. [PMID: 38027250 PMCID: PMC10655250 DOI: 10.1021/acsphotonics.3c00747] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 10/03/2023] [Accepted: 10/03/2023] [Indexed: 12/01/2023]
Abstract
The engineering of the spatial and temporal properties of both the electric permittivity and the refractive index of materials is at the core of photonics. When vanishing to zero, those two variables provide efficient knobs to control light-matter interactions. This Perspective aims at providing an overview of the state of the art and the challenges in emerging research areas where the use of near-zero refractive index and hyperbolic metamaterials is pivotal, in particular, light and thermal emission, nonlinear optics, sensing applications, and time-varying photonics.
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Affiliation(s)
- Michaël Lobet
- Department
of Physics and Namur Institute of Structured Materials, University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium
- John
A. Paulson School of Engineering and Applied Sciences, Harvard University, 9 Oxford Street, Cambridge, Massachusetts 02138, United States
| | - Nathaniel Kinsey
- Department
of Electrical and Computer Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Iñigo Liberal
- Department
of Electrical, Electronic and Communications Engineering, Institute
of Smart Cities (ISC), Public University
of Navarre (UPNA), Pamplona 31006, Spain
| | - Humeyra Caglayan
- Faculty
of Engineering and Natural Science, Photonics, Tampere University, 33720 Tampere, Finland
| | - Paloma A. Huidobro
- Departamento
de Física Téorica de la Materia Condensada and Condensed
Matter Physics Center (IFIMAC), Universidad
Autónoma de Madrid, E-28049 Madrid, Spain
- Instituto
de Telecomunicações, Instituto
Superior Técnico-University of Lisbon, Avenida Rovisco Pais 1, Lisboa, 1049-001, Portugal
| | - Emanuele Galiffi
- Photonics
Initiative, Advanced Science Research Center, City University of New York, New
York, New York 10027, United States
| | | | - Giovanna Palermo
- Department
of Physics, NLHT Lab, University of Calabria, 87036 Rende, Italy
- CNR NANOTEC-Institute
of Nanotechnology, Rende (CS), 87036 Rende, Italy
| | - Zubin Jacob
- Elmore
Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- Birck
Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, United States
| | - Nicolò Maccaferri
- Department
of Physics, Umeå University, Linnaeus väg 24, 90187 Umeå, Sweden
- Department
of Physics and Materials Science, University
of Luxembourg, 162a avenue
de la Faïencerie, L-1511 Luxembourg, Luxembourg
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