The fascination of macroscopic quantum coherence formed in a degernate Bose gas drives the worldwide work on atomic Bose-Einstein condensates. Semi-conductor polaritons are another promising system to explore the physics of degenerate Bose gases in a stronger interaction regime. It is also a system easily produced and probed through optical methods. In this work we present the first obsercation of the onset of a qunatum coherence formed out of an initially thermal population of polaritons in a microcavity quantum well system.
© 2002 Optical Society of America
(350.0350) Other areas of optics : Other areas of optics
Y. Yamamoto, H. Deng, G. Weihs, C. Santori, and J. Bloch, " Observation of quantum coherence in the nonlinear emission of semiconductor microcavity polaritons," in Nonlinear Optics: Materials, Fundamentals and Applications, A. Sawchuk, ed., Vol. 79 of OSA Trends in Optics and Photonics (Optical Society of America, 2002), paper FA1.
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