Two-dimensional complex parity-time-symmetric photonic structures

Date

2015-02

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Source Title

Physical Review A: covering atomic, molecular, and optical physics and quantum information

Print ISSN

2469-9926

Electronic ISSN

2469-9934

Publisher

American Physical Society

Volume

91

Issue

2

Pages

023825-1 - 023825-5

Language

English

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Abstract

We propose a simple realistic two-dimensional complex parity-time-symmetric photonic structure that is described by a non-Hermitian potential but possesses real-valued eigenvalues. The concept is developed from basic physical considerations to provide asymmetric coupling between harmonic wave components of the electromagnetic field. The structure results in a nonreciprocal chirality and asymmetric transmission between in- and out-coupling channels into the structure. The analytical results are supported by a numerical study of the Bloch-like mode formations and calculations of a realistic planar semiconductor structure. © 2015 American Physical Society.

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Published Version (Please cite this version)