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 SM ISO690:2012BELOUSSOV, Igor, KETTERSON, John B., SUN, Yi. Four-wave mixing theory for two-photon generation of excitons in thin films of cuprous oxide. In: Proceedings of SPIE - The International Society for Optical Engineering, Ed. 1, 23-26 august 2010, Kazan. Bellingham, Washington: SPIE, 2011, Vol.7993, pp. 1-11. ISBN 9780819485663. ISSN 0277786X. DOI: https://doi.org/10.1117/12.881329 |
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 Proceedings of SPIE - The International Society for Optical Engineering Vol.7993, 2011 |
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Conferința "Coherent and Nonlinear Optics and Lasers, Applications, and Technologies" 1, Kazan, Rusia, 23-26 august 2010 | ||||||
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| DOI:https://doi.org/10.1117/12.881329 | ||||||
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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 |
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| Cuvinte-cheie Bose-Einstein condencate, exciton, Four-wawe mixing, thin semiconductor film, Two-photon absorbtion |
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