Ia. A. Babenko, I. A. Yugova, S. V. Poltavtsev, M. Salewski, I. A. Akimov, M. Kamp, S. Höfling, D. R. Yakovlev, M. Bayer, “Photon echo from an ensemble of (In,Ga)As/GaAs quantum dots”, Fizika i Tekhnika Poluprovodnikov, 2018, Volume 52, Issue 4,Page 485

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XXV International Symposium ''Nanostructures: Physics and Technology'', Saint Petersburg, June 26-30, 2017
Spin Related Phenomena in Nanostructures

Photon echo from an ensemble of (In,Ga)As/GaAs quantum dots

Ia. A. Babenko^a, I. A. Yugova^a, S. V. Poltavtsev^ab, M. Salewski^b, I. A. Akimov^bc, M. Kamp^d, S. Höfling^d, D. R. Yakovlev^bc, M. Bayer^bc

^a Spin Optics Laboratory, St. Petersburg State University, 198504 St. Petersburg, Russia
^b Experimentelle Physik 2, Technische Universität Dortmund, 44221 Dortmund, Germany
^c Ioffe Institute, 194021 St. Petersburg, Russia
^d Technische Physik, Universität Würzburg, D-97074 Würzburg, Germany

Abstract: Photon echo from trions and excitons in (In,Ga)As/GaAs quantum dots was studied theoretically and experimentally. Theoretical analysis allowed us to distinguish between photon echo signals from excitons and trions measured in the same range of wavelength using different polarization configurations of laser excitation. The theoretical predictions are in good agreement with the experimental data.

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