Resonant generation of biexcitons in a GaAs quantum well

D. J. Lovering, R. T. Phillips, G. J. Denton, and G. W. Smith
Phys. Rev. Lett. 68, 1880 – Published 23 March 1992
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Abstract

Generation of cold excitons in GaAs quantum wells is shown to lead to enhanced condensation to the biexciton state under cw illumination. Resonant two-photon absorption to the biexciton state in the same structure is found to account for a quantum beating phenomenon involving the biexciton and exciton states in a more complex three-level system than hitherto investigated.

  • Received 1 July 1991

DOI:https://doi.org/10.1103/PhysRevLett.68.1880

©1992 American Physical Society

Authors & Affiliations

D. J. Lovering, R. T. Phillips, and G. J. Denton

  • Department of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, Great Britain

G. W. Smith

  • DRA, Royal Signals and Radar Establishment, St. Andrews Road, Malvern WR14 3PS, Great Britain

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Issue

Vol. 68, Iss. 12 — 23 March 1992

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