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The optical control of phase locking of polariton condensates

The optical control of phase locking of polariton condensates

Title: The optical control of phase locking of polariton condensates
Author: Chestnov, I Y
Kavokin, A V
Yulin, A V
Date: 2019-11-01
Language: English
Scope: 113009
University/Institute: Háskóli Íslands
University of Iceland
School: School of Engineering and Natural Sciences (UI)
Verkfræði- og náttúruvísindasvið (HÍ)
Department: Raunvísindastofnun (HÍ)
Science Institute (UI)
Series: New Journal of Physics;21(11)
ISSN: 1367-2630
DOI: 10.1088/1367-2630/ab4d03
Subject: General Physics and Astronomy; Exciton polaritons; Microcavities; Nonequilibrium condensates; Synchronization; Ljósfræði
URI: https://hdl.handle.net/20.500.11815/1602

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Chestnov, I. Y., Kavokin, A. V., & Yulin, A. V. (2019). The optical control of phase locking of polariton condensates. New Journal of Physics, 21(11), 113009. doi:10.1088/1367-2630/ab4d03


The phase and the frequency of an exciton polariton condensate excited by a nonresonant pump can be efficiently manipulated by an external coherent light. Being tuned close to the resonance with the condensate eigenfrequency, the external laser light imposes its frequency to the condensate and locks its phase, thereby manifesting a synchronization effect. The conditions of formation of the phase synchronized regime are determined. The synchronization of a couple of closely spaced polariton condensates by a spatially uniform coherent light is examined. At the moderate strength of the coherent driving the synchronization is accompanied by the appearance of symmetry-breaking states of the polariton dyad, while these states are superseded by the symmetric state at the high-intensity driving. By employing a zero-dimensional model of coupled dissipative oscillators with both dissipative and conservative coupling, we study the bifurcation scenario of the symmetry-breaking state formation.


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