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Proceedings Paper

Anomalous photon echoes and Rabi oscillations of quantum dot excitons
Author(s): Y. Mitsumori; A. Hasegawa; M. Sasaki; F. Minami
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Paper Abstract

Optical coherence time and nonlinear optical response of excitons localized to quantum dots in a GaAs/AlGaAs single quantum well are investigated by the three-pulse photon echo technique. At low temperature, the optical coherence time is estimated to be 1.8 ns from the decay curve of the photon echo signal. The decay profile for short time delay shows the strong dependence on the input pulse area of the third pulse. Rabi oscillations are also observed. The oscillations exhibit nonlinear behavior, which is affected by the pre-excited polarization. Such behavior can be qualitatively explained by the local field effect due to the exciton-exciton interaction between the excitons.

Paper Details

Date Published: 28 February 2006
PDF: 6 pages
Proc. SPIE 6115, Physics and Simulation of Optoelectronic Devices XIV, 61151J (28 February 2006); doi: 10.1117/12.661395
Show Author Affiliations
Y. Mitsumori, Tohoku Univ. (Japan)
A. Hasegawa, National Institute of Information and Communications Technology (Japan)
M. Sasaki, Tohoku Univ. (Japan)
F. Minami, Tokyo Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 6115:
Physics and Simulation of Optoelectronic Devices XIV
Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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