Interference of Coherent Polariton Beams in Microcavities: Polarization-Controlled Optical Gates

C. Leyder, T. C. H. Liew, A. V. Kavokin, I. A. Shelykh, M. Romanelli, J. Ph. Karr, E. Giacobino, and A. Bramati
Phys. Rev. Lett. 99, 196402 – Published 7 November 2007

Abstract

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.

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  • Received 2 February 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.196402

©2007 American Physical Society

Authors & Affiliations

C. Leyder1, T. C. H. Liew2, A. V. Kavokin2, I. A. Shelykh3,4, M. Romanelli1, J. Ph. Karr1,5, E. Giacobino1, and A. Bramati1

  • 1Laboratoire Kastler Brossel, Université Paris 6, Ecole Normale Supérieure et CNRS, UPMC Case 74, 4 place Jussieu, 75252 Paris Cedex 05, France
  • 2School of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom
  • 3International Center for Condensed Matter Physics, Universidade de Brasilia, 70904-970, Brasilia-DF, Brazil
  • 4St. Petersburg State Polytechnical University, 195251, St. Petersburg, Russia
  • 5Departement de Physique et Modelisation, Universite d’Evry Val d’Essonne, Boulevard F. Mitterrand, 91025 Evry, France

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Issue

Vol. 99, Iss. 19 — 9 November 2007

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