Title: Nonequilibrium and nonlinear defect states in microcavity-polariton condensates
Authors: Chen, Ting-Wei
Jheng, Shih-Da
Hsieh, Wen-Feng
Cheng, Szu-Cheng
Institute of Physics
Department of Photonics
Issue Date: 18-May-2016
Abstract: The nonequilibrium and nonlinear defect modes (NNDMs), localized by a defect in a nonequilibrium microcavity-polariton condensate (MPC), are studied. There are three analytic solutions of NNDMs in a point defect: the bright NNDM, a bound state with two dark solitons for an attractive potential, and a gray soliton bound by a defect for a repulsive potential. We find that the stable NNDMs in a nonequilibrium MPC are the bright NNDM and gray soliton bound by a defect. The bright NNDM, which has the hyperbolic cotangent form, is a bright localized state existing in a uniform MPC. The bright NNDM is a unique state occurring in a nonequilibrium MPC that has pump-dissipation and repulsive-nonlinearity characters. No such state can exist in an equilibrium system with repulsive nonlinearity.
URI: http://dx.doi.org/10.1103/PhysRevE.93.052214
ISSN: 2470-0045
DOI: 10.1103/PhysRevE.93.052214
Volume: 93
Issue: 5
Appears in Collections:Articles