Quantum Degenerate Exciton-Polaritons in Thermal Equilibrium

Hui Deng, David Press, Stephan Götzinger, Glenn S. Solomon, Rudolf Hey, Klaus H. Ploog, and Yoshihisa Yamamoto
Phys. Rev. Lett. 97, 146402 – Published 3 October 2006

Abstract

We study the momentum distribution and relaxation dynamics of semiconductor microcavity polaritons by angle-resolved and time-resolved spectroscopy. Above a critical pump level, the thermalization time of polaritons at positive detunings becomes shorter than their lifetime, and the polaritons form a quantum degenerate Bose-Einstein distribution in thermal equilibrium with the lattice.

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  • Received 19 April 2006

DOI:https://doi.org/10.1103/PhysRevLett.97.146402

©2006 American Physical Society

Authors & Affiliations

Hui Deng, David Press, Stephan Götzinger, and Glenn S. Solomon

  • Quantum Entanglement Project, SORST, JST, Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA

Rudolf Hey and Klaus H. Ploog

  • Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, D-10117 Berlin, Germany

Yoshihisa Yamamoto

  • Quantum Entanglement Project, SORST, JST, Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA and National Institute of Informatics, Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan

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Issue

Vol. 97, Iss. 14 — 6 October 2006

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