The design of optical non-reciprocal abnormal transmission based on PT asymmetric system

Autor:	Guanxia Yu, Xiaomeng Zhang, Yun Shen, Haodong Wang, Yu Shen, Guangyao Yuan
Rok vydání:	2022
Předmět:	General Physics and Astronomy Physical and Theoretical Chemistry Mathematical Physics
Zdroj:	Zeitschrift für Naturforschung A. 77:613-620
ISSN:	1865-7109 0932-0784
Popis:	In this paper, we present non-reciprocal transmission in a composite PT-asymmetric ternary system consisting of two magneto-optical structures with opposite magnetic fields. Two schemes to realize PT-symmetry breaking are proposed to realize abnormal transmission in asymmetric multilayers with small gain/loss factors. One method is to adjust the parameter of magnetic fields applied on the magnetic-optical layers, and the other method is to adjust positions of gain and loss layers. The PT-symmetry breaking system can realize the abnormal and non-reciprocal transmission with small gain/loss factors with more practical applications in integrated photonics, communications and other fields.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b154772848a041e57e3f59d573fab68d https://doi.org/10.1515/zna-2021-0355 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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