Interference of coherent polariton beams in microcavities: Polarization-controlled optical gates

被引:77
|
作者
Leyder, C.
Liew, T. C. H.
Kavokin, A. V.
Shelykh, I. A.
Romanelli, M.
Karr, J. Ph.
Giacobino, E.
Bramati, A.
机构
[1] Univ Paris 06, Ecole Normale Super, Lab Kastler Brossel, F-75252 Paris, France
[2] CNRS, UPMC Case 74, F-75252 Paris, France
[3] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England
[4] Univ Brasilia, Int Ctr Condensed Matter Phys, BR-70904970 Brasilia, DF, Brazil
[5] St Petersburg State Polytechn Univ, St Petersburg 195251, Russia
[6] Univ Evry Val Essonne, Dept Phys & Modelisat, F-91025 Evry, France
关键词
D O I
10.1103/PhysRevLett.99.196402
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We demonstrate, theoretically and experimentally, a polarization-controlled optical gate based on a degenerate polariton-polariton scattering process occurring in semiconductor microcavities. Because of the interference between coherent polaritons, this process is observed in the case of polaritons generated from two collinearly polarized coherent pump beams. On the contrary, if the beams are cross polarized, the scattering is suppressed.
引用
收藏
页数:4
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