Polariton-induced optical asymmetry in semiconductor microcavities

被引：52

作者：

Armitage, A ^{[1
]}

Skolnick, MS

Kavokin, AV

Whittaker, DM

Astratov, VN

Gehring, GA

Roberts, JS

机构：

[1] Univ Sheffield, Dept Phys, Sheffield S3 7RH, S Yorkshire, England

[2] Univ Rome 2, Dipartimento Ingn Elettr, I-00133 Rome, Italy

[3] Toshiba Cambridge Res Ctr, Cambridge CB4 0HE, England

[4] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England

来源：

PHYSICAL REVIEW B | 1998年 / 58卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.58.15367

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polariton-induced optical asymmetry in the reflectivity spectra of coupled semiconductor microcavity structures, containing quantum wells in one of the cavities, is reported. The central mode of the system is only observable when viewed from one side of the structure, but is dark and invisible from the other side. At the same time, all other spectral features are the same from both sides of the structure. Microscopically, interference between the exciton and cavity modes is shown to lead to the optical asymmetry. Furthermore, the asymmetric exciton-cavity mode is observable only for light incident on the cavity without excitons, a result shown to be fully consistent with a coupled oscillator model. [S0163-1829(98)02247-4].

引用

页码：15367 / 15370

页数：4

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