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Parity anomaly laser

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Title
Parity anomaly laser
Author(s)
Smirnova D.A.; PRAMOD PADMANABHAN; DANIEL LEYKAM
Publication Date
2019-03
Journal
OPTICS LETTERS, v.44, no.5, pp.1120 - 1123
Publisher
OPTICAL SOC AMER
Abstract
We propose a novel supersymmetry-inspired scheme for achieving robust single-mode lasing in arrays of coupled mi-crocavities, based on factorizing a given array Hamiltonian into its “supercharge” partner array. Pumping a single sublattice of the partner array preferentially induces lasing of an unpaired zero mode. A chiral symmetry protects the zero mode similar to 1D topological arrays, but it need not be localized to domain walls or edges. We demonstrate single-mode lasing over a wider parameter regime by designing the zero mode to have a uniform intensity profile. © 2019 Optical Society of America
URI
https://pr.ibs.re.kr/handle/8788114/5873
DOI
10.1364/OL.44.001120
ISSN
0146-9592
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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