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복잡계 이론물리 연구단
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Frequency Combs with Weakly Lasing Exciton-Polariton Condensates

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Title
Frequency Combs with Weakly Lasing Exciton-Polariton Condensates
Author(s)
K. Rayanov; B. L. Altshuler; Y. G. Rubo; Sergej Flach
Publication Date
2015-05
Journal
PHYSICAL REVIEW LETTERS, v.114, no.19, pp.193901 -
Publisher
AMER PHYSICAL SOC
Abstract
We predict the spontaneous modulated emission from a pair of exciton-polariton condensates due to coherent (Josephson) and dissipative coupling. We show that strong polariton-polariton interaction generates complex dynamics in the weak-lasing domain way beyond Hopf bifurcations. As a result, the exciton-polariton condensates exhibit self-induced oscillations and emit an equidistant frequency comb light spectrum. A plethora of possible emission spectra with asymmetric peak distributions appears due to spontaneously broken time-reversal symmetry. The lasing dynamics is affected by the shot noise arising from the influx of polaritons. That results in a complex inhomogeneous line broadening.
URI
http://pr.ibs.re.kr/handle/8788114/1646
DOI
10.1103/PhysRevLett.114.193901
ISSN
0031-9007
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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