Spin-to-orbital angular momentum conversion in semiconductor microcavities

被引：39

作者：

Manni, F. ^{[1
]}

Lagoudakis, K. G. ^{[1
]}

Paraiso, T. K. ^{[1
]}

Cerna, R. ^{[1
]}

Leger, Y. ^{[1
]}

Liew, T. C. H. ^{[2
]}

Shelykh, I. A. ^{[3
]}

Kavokin, A. V. ^{[4
,5
]}

Morier-Genoud, F. ^{[1
]}

Deveaud-Pledran, B. ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Inst Condensed Matter Phys, CH-1015 Lausanne, Switzerland

[2] Ecole Polytech Fed Lausanne, Inst Theoret Phys, CH-1015 Lausanne, Switzerland

[3] Univ Iceland, Inst Sci, IS-107 Reykjavik, Iceland

[4] Univ Montpellier 2, Lab Charles Coulomb, UMR 5221, CNRS UM2, FR-34095 Montpellier 5, France

[5] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

来源：

PHYSICAL REVIEW B | 2011年 / 83卷 / 24期

基金：

瑞士国家科学基金会;

关键词：

LASER-BEAMS; LIGHT; TRANSFORMATION;

D O I：

10.1103/PhysRevB.83.241307

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We experimentally demonstrate a technique for the generation of optical beams carrying orbital angular momentum using a planar semiconductor microcavity. Despite being isotropic systems with no structural gyrotropy, semiconductor microcavities, because of the transverse-electric-transverse-magnetic polarization splitting that they feature, allow for the conversion of the circular polarization of an incoming laser beam into the orbital angular momentum of the transmitted light field. The process implies the formation of topological entities, a pair of optical vortices, in the intracavity field.

引用

页数：4

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