Dynamical Symmetry-Breaking induced by Ultrashort Laser Pulses in KTaO3

Eiichi Matsubara; Jun-ichi Takahashi; Kuon Inoue; Kuon Inoue; Eiichi Hanamura; Eiichi Hanamura

14th International Conference on Ultrafast Phenomena
Technical Digest (CD) (Optica Publishing Group, 2004),
paper ME64

Dynamical Symmetry-Breaking induced by Ultrashort Laser Pulses in KTaO₃

Eiichi Matsubara, Jun-ichi Takahashi, Kuon Inoue, and Eiichi Hanamura

International Conference on Ultrafast Phenomena 2004

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

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Poster Session I (Exhibition) (ME)

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E. Matsubara, J. Takahashi, K. Inoue, and E. Hanamura, "Dynamical Symmetry-Breaking induced by Ultrashort Laser Pulses in KTaO3," in 14th International Conference on Ultrafast Phenomena, Technical Digest (CD) (Optica Publishing Group, 2004), paper ME64.

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Abstract

Raman selection rule is violated under resonant pumping of Raman-active two-phonons at the Brillouin zone edge in KTaO₃ by two ultrashort laser pulses. Originally Raman-inactive single phonons become observable in the CARS spectra.

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