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Proceedings Paper

Stimulated emission of excitons into microcavity polaritons
Author(s): Robin Huang; Francesco Tassone; Yoshihisa Yamamoto
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Paper Abstract

In this experiment, we propose and demonstrate a novel exciton-exciton scattering process for the case of semiconductor microcavity exciton-polaritons. We show that the scattering rate should be enhanced due to the final state stimulation effect. We have observed the enhancement of the elastic exciton-exciton scattering rate in a semiconductor microcavity. The signature of this stimulated emission is in the enhancement of the scattering rate that is proportional to the final state occupation number. For this reason, we have interpreted the gain to be due to bosonic stimulation. This gain process for exciton- polaritons is distinctly different from that in a conventional photon laser, because of the fermionic nature of the exciton's constituents, the electron and hole.

Paper Details

Date Published: 24 May 1999
PDF: 8 pages
Proc. SPIE 3624, Ultrafast Phenomena in Semiconductors III, (24 May 1999); doi: 10.1117/12.349296
Show Author Affiliations
Robin Huang, Stanford Univ. (United States)
Francesco Tassone, Stanford Univ. (United States)
Yoshihisa Yamamoto, Stanford Univ. and NTT Basic Research Labs. (United States)


Published in SPIE Proceedings Vol. 3624:
Ultrafast Phenomena in Semiconductors III
Kong-Thon F. Tsen, Editor(s)

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