Ring-vortex solitons and their stabilities in microcavity polariton condensates

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Title:	Ring-vortex solitons and their stabilities in microcavity polariton condensates
Authors:	Cheng, SC (Cheng, Szu-Cheng) Jheng, SD (Jheng, Shih-Da) Chen, TW (Chen, Ting-Wei)
Contributors:	光電物理學系
Keywords:	exciton-polariton vortex soliton
Date:	2020-02-28
Issue Date:	2020-12-10 15:22:07 (UTC+8)
Abstract:	A ring-vortex soliton (RVS) is unstable in a uniform microcavity polariton condensate (MPC). We propose a method for generating a stable RVS in an MPC subjected to a ring-shaped defect potential. The density distribution of a RVS with a pump strength is obtained numerically for a given defect size and strength. Then we discover two types of RVSs: soliton with a dark ring and soliton with a gray ring. And the stabilities of RVSs are dependent on the pump and defect strength.
Relation:	JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 卷冊: 53 期: 4 文獻號碼: 045401
Appears in Collections:	[Department of Physics ] journal articles

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