Dephasing suppression of excitons in semiconductors

Tadashi Kishimoto; Atsushi Hasegawa; Yasuyoshi Mitsumori; Masahide Sasaki; Fujio Minami

14th International Conference on Ultrafast Phenomena
Technical Digest (CD) (Optica Publishing Group, 2004),
paper TuE13

Dephasing suppression of excitons in semiconductors

Tadashi Kishimoto, Atsushi Hasegawa, Yasuyoshi Mitsumori, Masahide Sasaki, and Fujio Minami

International Conference on Ultrafast Phenomena 2004

Niigata Japan
25–30 July 2004
ISBN: 3-54024-110-8

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Poster Session II (Exhibition) (TuE)

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T. Kishimoto, A. Hasegawa, Y. Mitsumori, M. Sasaki, and F. Minami, "Dephasing suppression of excitons in semiconductors," in 14th International Conference on Ultrafast Phenomena, Technical Digest (CD) (Optica Publishing Group, 2004), paper TuE13.

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Abstract

The dephasing control of excitons was performed in GaSe by using successive three pulses, i.e., six-wave-mixing. By comparing the signal profile between four-wave-mixing and six-wave-mixing, the dephasing time is lengthened by an additional pulse irradiation.

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