Dark solitons in a spinor microcavity-polariton condensate

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Title:	Dark solitons in a spinor microcavity-polariton condensate
Authors:	Chen, TW (Chen, Ting-Wei) Jheng, SD (Jheng, Shih-Da) Hsieh, WF (Hsieh, Wen-Feng) Cheng, SC (Cheng, Szu-Cheng)
Contributors:	物理系
Keywords:	Polariton condensate Dark soliton
Date:	2016-10
Issue Date:	2017-02-17 10:50:18 (UTC+8)
Abstract:	Dark solitons of a two-component condensate occurring in nonresonantly-pumped microcavity polaritons (spinor MPCs) with integer vorticities, referred to as integer dark solitons (IDSs), can be excited by a laser beam with tunable polarization and power. We investigate the physical properties of stationary IDSs in a pure spinor MPCs without defects. From the excitations of a IDS, we show that the soliton is stable when the pump power is higher than a critical value. When the pump polarization is in favor of one component, we find that the critical pump power for the stabilization becomes higher. The stable IDS exists below a critical pump polarization. A stable phase diagram of IDSs in terms of the pump condition, i.e., pump polarization and power, is thus obtained. (C) 2016 Elsevier Ltd. All rights reserved.
Relation:	SUPERLATTICES AND MICROSTRUCTURES 卷: 98 頁碼: 96-101
Appears in Collections:	[Department of Physics ] journal articles

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