Anisotropic optical spin Hall effect in semiconductor microcavities

被引：37

作者：

Amo, A. ^{[1
,2
]}

Liew, T. C. H. ^{[3
]}

Adrados, C. ^{[1
,2
]}

Giacobino, E. ^{[1
,2
]}

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

Bramati, A. ^{[1
,2
]}

机构：

[1] Univ Paris 06, Ecole Normale Super, Lab Kastler Brossel, F-75252 Paris 05, France

[2] Univ Paris 06, CNRS, F-75252 Paris 05, France

[3] Natl Univ Singapore, Ctr Quantum Technol, Singapore 117543, Singapore

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

[5] Univ Roma Tor Vergata, Marie Curie Chair Excellence Polarit Devices, I-00133 Rome, Italy

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 16期

关键词：

POLARIZATION; INJECTION; MAGNETIZATION; DYNAMICS; LIGHT; GAAS;

D O I：

10.1103/PhysRevB.80.165325

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Propagating, directionally dependent, polarized spin currents are created in an anisotropic planar semiconductor microcavity, via Rayleigh scattering of optically injected polaritons in the optical spin Hall regime. The influence of anisotropy results in suppression or enhancement of the pseudospin precession of polaritons scattered in specific directions. This is exploited to create intense spin currents by excitation on top of localized defects. A theoretical model considering the influence of the total effective magnetic field on the polariton pseudospin quantitatively reproduces the experimental observations.

引用

页数：6

共 39 条

[1] Challenges for semiconductor spintronics [J].

Awschalom, David D. ;

Flatte, Michael E. .

NATURE PHYSICS, 2007, 3 (03) :153-159

[2] Spin-based logic in semiconductors for reconfigurable large-scale circuits [J].

Dery, H. ;

Dalal, P. ;

Cywinski, L. ;

Sham, L. J. .

NATURE, 2007, 447 (7144) :573-576

[3] CURRENT-INDUCED SPIN ORIENTATION OF ELECTRONS IN SEMICONDUCTORS [J].

DYAKONOV, MI ;

PEREL, VI .

PHYSICS LETTERS A, 1971, A 35 (06) :459-&

[4] Ultrafast precessional magnetization reversal by picosecond magnetic field pulse shaping [J].

Gerrits, T ;

van den Berg, HAM ;

Hohlfeld, J ;

Bär, L ;

Rasing, T .

NATURE, 2002, 418 (6897) :509-512

[5] Control of polarization of polariton lasers [J].

Glazov, M. M. ;

Shelykh, I. A. ;

Mapuech, G. ;

Laussy, F. ;

Kavokin, K. V. ;

Kavokin, A. V. .

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 4, NO 2, 2007, 4 (02) :638-+

[6] Analysis of the transport process providing spin injection through an Fe/AlGaAs Schottky barrier [J].

Hanbicki, AT ;

van 't Erve, OMJ ;

Magno, R ;

Kioseoglou, G ;

Li, CH ;

Jonker, BT ;

Itskos, G ;

Mallory, R ;

Yasar, M ;

Petrou, A .

APPLIED PHYSICS LETTERS, 2003, 82 (23) :4092-4094

[7]

Haug H., 1994, QUANTUM THEORY OPTIC

[8] Coherence effects in light scattering of two-dimensional photonic disordered systems:: Elastic scattering of cavity polaritons [J].

Houdré, R ;

Weisbuch, C ;

Stanley, RP ;

Oesterle, U ;

Ilegems, M .

PHYSICAL REVIEW B, 2000, 61 (20) :13333-13336

[9]

JANTSCH W, 2007, SPIN PHYS SEMICONDUC, P179

[10] Highly spin-polarized room-temperature tunnel injector for semiconductor spintronics using MgO(100) [J].

Jiang, X ;

Wang, R ;

Shelby, RM ;

Macfarlane, RM ;

Bank, SR ;

Harris, JS ;

Parkin, SSP .

PHYSICAL REVIEW LETTERS, 2005, 94 (05)

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