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Proceedings Paper

Four-wave mixing theory for two-photon generation of excitons in thin films of cuprous oxide
Author(s): I. V Beloussov; J. B. Ketterson; Y. Sun
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Paper Abstract

We propose and theoretically investigate a two-photon four wave mixing experiment to probe for BEC of excitons in Cu2O thin films. A relatively simple set of equations describing the dynamics of the system is obtained for a particular configuration of the exciting beams, and numerical and approximate analytical solutions are found. The resulting phase-conjugated signal vs. the delay time between the pump and probe pulses yields a direct measure of the time evolution of the exciton condensate, and exhibit peaks when the film thickness is a multiple of a half wavelength of light.

Paper Details

Date Published: 6 January 2011
PDF: 10 pages
Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 79930E (6 January 2011); doi: 10.1117/12.881329
Show Author Affiliations
I. V Beloussov, Institute of Applied Physics (Moldova)
J. B. Ketterson, Northwestern Univ. (United States)
Y. Sun, Northwestern Univ. (United States)


Published in SPIE Proceedings Vol. 7993:
ICONO 2010: International Conference on Coherent and Nonlinear Optics
Claude Fabre; Victor Zadkov; Konstantin Drabovich, Editor(s)

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