Maxwell's demon-like nonreciprocity by non-Hermitian gyrotropic metasurfaces

Wenyan Wang; Wang Tat Yau; Yanxia Cui; Jin Wang; Kin Hung Fung

doi:10.1103/PhysRevResearch.3.L022006

Maxwell's demon-like nonreciprocity by non-Hermitian gyrotropic metasurfaces

Wenyan Wang, Wang Tat Yau, Yanxia Cui, Jin Wang, Kin Hung Fung

Research output: Journal article publication › Journal article › Academic research › peer-review

7 Citations (Scopus)

Abstract

We show that Maxwell's demon-like nonreciprocity can be supported in a class of non-Hermitian gyrotropic metasurfaces in the linear regime. The proposed metasurface functions as a transmission-only Maxwell's demon operating at a pair of photon energies. Based on multiple scattering theory, we construct a dual-dipole model to explain the underlying mechanism that leads to the antisymmetric nonreciprocal transmission. The results may inspire new designs of compact nonreciprocal devices for photonics.

Original language	English
Article number	L022006
Journal	Physical Review Research
Volume	3
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevResearch.3.L022006
Publication status	Published - 19 Apr 2021

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevResearch.3.L022006

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abstract = "We show that Maxwell's demon-like nonreciprocity can be supported in a class of non-Hermitian gyrotropic metasurfaces in the linear regime. The proposed metasurface functions as a transmission-only Maxwell's demon operating at a pair of photon energies. Based on multiple scattering theory, we construct a dual-dipole model to explain the underlying mechanism that leads to the antisymmetric nonreciprocal transmission. The results may inspire new designs of compact nonreciprocal devices for photonics.",

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AU - Fung, Kin Hung

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AB - We show that Maxwell's demon-like nonreciprocity can be supported in a class of non-Hermitian gyrotropic metasurfaces in the linear regime. The proposed metasurface functions as a transmission-only Maxwell's demon operating at a pair of photon energies. Based on multiple scattering theory, we construct a dual-dipole model to explain the underlying mechanism that leads to the antisymmetric nonreciprocal transmission. The results may inspire new designs of compact nonreciprocal devices for photonics.

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Maxwell's demon-like nonreciprocity by non-Hermitian gyrotropic metasurfaces

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