Anti-Hermitian Optical Media with Gain and Loss

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Conference article in proceedings
Date
2023
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Language
en
Pages
3
111-113
Series
17th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2023
Abstract
Distributing loss and gain in different effective parameters of optical media suggests an alternative branch in the domain of non-Hermitian optics. In this conference talk, we contemplate an extreme scenario in which those optical media are anti-Hermitian and investigate various aspects of wave interactions with such media. Particularly, we show that it is possible to fully convert evanescent source fields to transmitted propagating waves and vice versa or to provide lasing effect creating both evanescent and propagating plane waves. We hope that this talk persuades the non-Hermitian optics community to consider anti-Hermiticity as an alternative feature for shaping light-matter interactions in unprecedented ways.
Description
Funding Information: L.F. and M.S.M. thank Xuchen Wang, Benedikt Zerulla, and Markus Nyman for their invaluable help with numerical simulations. Also, L.F. wishes to acknowledge the support of Carsten Rockstuhl. Publisher Copyright: © 2023 IEEE.
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Freter , L , Mirmoosa , M S , Sihvola , A , Simovski , C R & Tretyakov , S A 2023 , Anti-Hermitian Optical Media with Gain and Loss . in 17th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2023 . International congress on advanced electromagnetic materials in microwaves and optics , IEEE , pp. 111-113 , International Congress on Artificial Materials for Novel Wave Phenomena , Chania , Greece , 11/09/2023 . https://doi.org/10.1109/Metamaterials58257.2023.10289200