Reflectivity kinetics in the vicinity of exciton transitions in semiconductor nanostructures

N. N. Rubtsova; O. V. Buganov; A. A. Kovalyov; M. A. Putyato; V. V. Preobrazhenski; O. P. Pchelyakov; S. A. Tikhomirov; T. S. Shamirzaev

doi:10.1117/12.801692

23 April 2008 Reflectivity kinetics in the vicinity of exciton transitions in semiconductor nanostructures

N. N. Rubtsova, O. V. Buganov, A. A. Kovalyov, M. A. Putyato, V. V. Preobrazhenski, O. P. Pchelyakov, S. A. Tikhomirov, T. S. Shamirzaev

Author Affiliations +

Proceedings Volume 7024, International Workshop on Quantum Optics 2007; 70240O (2008) https://doi.org/10.1117/12.801692
Event: International Workshop on Quantum Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

Reflectivity kinetics of semiconductor samples with GaAs/AlGaAs multiple quantum wells is investigated by the pump-probe technique with temporal resolution of about 150 fs. Excitons of type E1HH1 and E1LH1 appear in the kinetics of non-stationary spectra of reflectivity in spite of high density of photo-generated two-dimensional electron gas. The difference in the shape and kinetics of nonstationary reflectivity spectra is found for the samples with different detuning of exciton transition relative the pump radiation frequency.

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N. N. Rubtsova, O. V. Buganov, A. A. Kovalyov, M. A. Putyato, V. V. Preobrazhenski, O. P. Pchelyakov, S. A. Tikhomirov, and T. S. Shamirzaev "Reflectivity kinetics in the vicinity of exciton transitions in semiconductor nanostructures", Proc. SPIE 7024, International Workshop on Quantum Optics 2007, 70240O (23 April 2008); https://doi.org/10.1117/12.801692

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