Spin Textures of Exciton-Polaritons in a Tunable Microcavity with Large TE-TM Splitting

被引：97

作者：

Dufferwiel, S. ^{[1
]}

Li, Feng ^{[1
]}

Cancellieri, E. ^{[1
]}

Giriunas, L. ^{[1
]}

Trichet, A. A. P. ^{[2
]}

Whittaker, D. M. ^{[1
]}

Walker, P. M. ^{[1
]}

Fras, F. ^{[1
,3
,4
]}

Clarke, E. ^{[5
]}

Smith, J. M. ^{[2
]}

Skolnick, M. S. ^{[1
]}

Krizhanovskii, D. N. ^{[1
]}

机构：

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

[2] Univ Oxford, Dept Mat, Oxford OX1 3PH, England

[3] CNRS, UMR 7504, IPCMS, F-67200 Strasbourg, France

[4] Univ Strasbourg, F-67200 Strasbourg, France

[5] Univ Sheffield, EPSRC Natl Ctr Technol 3 5, Sheffield S1 3JD, S Yorkshire, England

来源：

PHYSICAL REVIEW LETTERS | 2015年 / 115卷 / 24期

基金：

英国工程与自然科学研究理事会;

关键词：

VORTICES; ENTANGLEMENT;

D O I：

10.1103/PhysRevLett.115.246401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report an extended family of spin textures of zero-dimensional exciton-polaritons spatially confined in tunable open microcavity structures. The transverse-electric-transverse-magnetic (TE-TM) splitting, which is enhanced in the open cavity structures, leads to polariton eigenstates carrying quantized spin vortices. Depending on the strength and anisotropy of the cavity confining potential and of the TE-TM induced splitting, which can be tuned via the excitonic or photonic fractions, the exciton-polariton emissions exhibit either spin-vortex-like patterns or linear polarization, in good agreement with theoretical modeling.

引用

页数：6

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