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Ivan Savenko
복잡계 이론물리 연구단
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Polariton condensation in photonic crystals with high molecular orientation

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Title
Polariton condensation in photonic crystals with high molecular orientation
Author(s)
D V Karpov; I G Savenko
Publication Date
2018-01
Journal
NEW JOURNAL OF PHYSICS, v.20, no.1, pp.013037 -
Publisher
IOP PUBLISHING LTD
Abstract
We study Frenkel exciton-polariton Bose–Einstein condensation in a two-dimensional defect-free triangular photonic crystalwith an organic semiconductor activemediumcontaining bound excitons with dipolemoments oriented perpendicular to the layers.We find photonic Blochmodes of the structure and consider their strong coupling regimewith the excitonic component.Using theGross– Pitaevskii equation for exciton polaritons and the Boltzmann equation for the external exciton reservoir, we demonstrate the formation of condensate at the points in reciprocal spacewhere photon group velocity equals zero. Further,we demonstrate condensation at non-zeromomentumstates for transverse magnetic-polarized photons in the case of a systemwith incoherent pumping, and showthat the condensation threshold varies for different points in the reciprocal space, controlled by detuning. © 2018 The Author(s). Published by IOP Publishing Ltd on behalf of Deutsche Physikalische Gesellschaft
URI
http://pr.ibs.re.kr/handle/8788114/4339
DOI
10.1088/1367-2630/aaa750
ISSN
1367-2630
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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