Scaling of losses with size and wavelength in nanoplasmonics and metamaterials
Jacob B. Khurgin,Greg Sun +1 more
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TLDR
In this article, it was shown that for the resonant metal-dielectric structures with sub-wavelength confinement of light in all three dimensions, the loss cannot be reduced considerably below the loss of the metal itself unless one operates in the far IR and THz regions of the spectrum or below.Abstract:
We show that, for the resonant metal-dielectric structures with sub-wavelength confinement of light in all three dimensions, the loss cannot be reduced considerably below the loss of the metal itself unless one operates in the far IR and THz regions of the spectrum or below. Such high losses cannot be compensated by introducing gain due to Purcell-induced shortening of recombination times. The only way low loss optical meta-materials can be engineered is with, as yet unknown, low loss materials with negative permittivity.read more
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How to deal with the loss in plasmonics and metamaterials
TL;DR: Metal losses affect the performance of every plasmonic or metamaterial structure; dealing with them will determine the degree to which these structures will find practical applications.
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Sub-diffractional volume-confined polaritons in the natural hyperbolic material hexagonal boron nitride
Joshua D. Caldwell,Andrey V. Kretinin,Yiguo Chen,Vincenzo Giannini,Michael M. Fogler,Yan Francescato,Chase T. Ellis,Joseph G. Tischler,Colin R. Woods,Alexander J. Giles,Minghui Hong,Kenji Watanabe,Takashi Taniguchi,Stefan A. Maier,Kostya S. Novoselov +14 more
TL;DR: Three-dimensionally confined 'hyperbolic polaritons' in boron nitride nanocones that support four series (up to the seventh order) modes in two spectral bands are reported on.
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Low-loss, infrared and terahertz nanophotonics using surface phonon polaritons
Joshua D. Caldwell,Lucas Lindsay,Vincenzo Giannini,Igor Vurgaftman,Thomas L. Reinecke,Stefan A. Maier,O. J. Glembocki +6 more
TL;DR: In this article, the authors provide an overview of surface-phonon-polariton (SPhP) modes in polar dielectric crystals and the associ- ated new developments in the field of SPhPs.
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A comparison of graphene, superconductors and metals as conductors for metamaterials and plasmonics
TL;DR: In this article, the authors address the question of what is a good conductor for metamaterials and plasmonics, and develop a figure-of-merit for conductors that allows for a straightforward classification of conducting materials according to the resulting dissipative loss in the metammaterial.
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Active dielectric metasurface based on phase-change medium
Cheng Hung Chu,Ming Lun Tseng,Jie Chen,Pin Chieh Wu,Pin Chieh Wu,Yi-Hao Chen,Hsiang-Chu Wang,Hsiang-Chu Wang,Ting-Yu Chen,Wen Ting Hsieh,Hui Jun Wu,Greg Sun,Din Ping Tsai,Din Ping Tsai +13 more
TL;DR: In this article, the phase-change material Ge2Sb2Te5 (GST) alloy was used to construct all-dielectric metamolecules with tunable optical response when phase change occurs on select constituent GST rods.
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