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복잡계 이론물리 연구단
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Salient role of the non-Hermitian coupling for optimizing conditions in multiple maximizations of inter-cavity light transfer

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Title
Salient role of the non-Hermitian coupling for optimizing conditions in multiple maximizations of inter-cavity light transfer
Author(s)
HYEON-HYE YU; SUNJAE GWAK; HYUNDONG KIM; PCS; CHIL-MIN KIM; PCS
Publication Date
2021-06
Journal
OPTICS EXPRESS, v.29, no.13, pp.19998 - 20009
Publisher
The Optical Society
Abstract
© 2021 Optical Society of America.We reveal that non-Hermitian lossy couplings in an inter-cavity light transfer process are crucial for an optimum light transfer, unlike the prevailed belief. Our results turn out the fact that the light transfer can have multiple maxima following the increased inter-cavity distance. To validate this finding both in the weak and strong coupling regimes, we demonstrate our claim in the vicinity of the so-called exceptional point. We believe our results can contribute to realizing coupled-optical-cavity-based devices which is functional with an ultra-efficient light transfer, especially when the device scale is as small as the operation wavelength.
URI
https://pr.ibs.re.kr/handle/8788114/9908
DOI
10.1364/OE.430778
ISSN
1094-4087
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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