Exciton-Polariton Wave-Packets in Semiconductor Microwires

被引：1

作者：

Egorov, Oleg A. ^{[1
]}

Etrich, Christoph ^{[1
]}

Buschlinger, Robert ^{[1
]}

Peschel, Ulf ^{[1
]}

机构：

[1] Friedrich Schiller Univ Jena, Inst Condensed Matter Theory & Opt, Max Wien Pl 1, D-07743 Jena, Germany

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2019年 / 256卷 / 04期

关键词：

Bose-Einstein condensates; exciton polaritons; nonlinear optics; semiconductor microwires; solitons; BOSE-EINSTEIN CONDENSATION; SUPERCONTINUUM GENERATION; SOLITON; MICROCAVITY; NONLINEARITIES; RADIATION; VORTICES; PHYSICS; GUIDES;

D O I：

10.1002/pssb.201800729

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The physics behind nonlinear propagation of picosecond pulses in micro- and nano-wire single mode waveguides either grown by chemical vapor deposition or etched into semiconductor microresonators are reviewed. If operated in the strong coupling regime exciton-polaritons form in those wires and a highly nonlinear platform is established interfacing optical, condensed matter, quantum, and statistical physics. A theory of the exciton-polariton pulse compression, pulse breaking, and emission of the backward Cherenkov radiation have been developed. This highly nonlinear dynamics is associated with the relaxation of the exciton-polariton spectrum down to low momenta, mediated solely by the exciton-exciton scattering. Such nonlinearity-enhanced thermalization results in a phase transition from propagating exciton-polariton pulses toward the formation of a non-equilibrium polariton condensate in the microwire system.

引用

页数：9

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