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Proceedings Article

Four-wave mixing theory for two-photon generation of excitons in thin films of cuprous oxide

[+] Author Affiliations
I. V. Beloussov

Institute of Applied Physics (Moldova)

J. B. Ketterson, Y. Sun

Northwestern Univ. (USA)

Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 79930E (January 06, 2011); doi:10.1117/12.881329
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From Conference Volume 7993

  • ICONO 2010: International Conference on Coherent and Nonlinear Optics
  • Kazan, Russian Federation | August 23, 2010

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.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

I. V. Beloussov ; J. B. Ketterson and Y. Sun
"Four-wave mixing theory for two-photon generation of excitons in thin films of cuprous oxide", Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 79930E (January 06, 2011); doi:10.1117/12.881329; http://dx.doi.org/10.1117/12.881329


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