11 June 2003 New optical phenomena in Bose-condensed exciton system in quantum wells
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The new effect -- stimulated light backscattering and anomalous light transmission in Bose-condensed exciton system are considered. The effects are connected with photoinduced coherent recombination of two excitons from the condensate with production of two photons with opposite momenta. The effect of two-exciton coherent recombination leads also to the appearance of the second order coherence in exciton luminescence connected with squeezing between photon states with opposite momenta. Coherent 3- and 4-photon emission processes stimulated by respectively two and three laser beams are also considered.
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Yurii E. Lozovik, Yurii E. Lozovik, I. V. Ovchinnikov, I. V. Ovchinnikov, } "New optical phenomena in Bose-condensed exciton system in quantum wells", Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); doi: 10.1117/12.513754; https://doi.org/10.1117/12.513754

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