Femtosecond dynamics studies of coherent phonon generation

Mildred S. Dresselhaus; H. J. Zeiger; J. Vidal; T. K. Cheng; Erich P. Ippen; George Dresselhaus

doi:10.1117/12.206857

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24 April 1995 Femtosecond dynamics studies of coherent phonon generation

Mildred S. Dresselhaus, H. J. Zeiger, J. Vidal, T. K. Cheng, Erich P. Ippen, George Dresselhaus

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Proceedings Volume 2397, Optoelectronic Integrated Circuit Materials, Physics, and Devices; (1995) https://doi.org/10.1117/12.206857
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Recent femtosecond time-resolved pump-probe experiments have detected large amplitude oscillations due to coherent phonon generation in the reflection (R) from various materials). These oscillations show only vibrational modes with A₁ symmetry, even though other Raman-active modes of comparable Raman cross section exist. Experimental results showing the properties of this phenomena and a model that explains many of the experimental phenomena are presented.

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Mildred S. Dresselhaus, H. J. Zeiger, J. Vidal, T. K. Cheng, Erich P. Ippen, and George Dresselhaus "Femtosecond dynamics studies of coherent phonon generation", Proc. SPIE 2397, Optoelectronic Integrated Circuit Materials, Physics, and Devices, (24 April 1995); https://doi.org/10.1117/12.206857

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