Collapse-revival on picosecond timescale is observed for the chirped coherent phonon of bismuth under intense photo-excitation at 10K. This phenomenon, having no classical analogue, is explained by the quantum interference of wavepackets in anharmonic potential.
© 2004 Optical Society of America
(320.0320) Ultrafast optics : Ultrafast optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
K. Ishioka, M. Hase, M. Kitajima, and O. V. Misochko, "Amplitude collapse and revival of chirped coherent phonon under high-fluence optical excitation," in 14th International Conference on Ultrafast Phenomena, Technical Digest (CD) (Optical Society of America, 2004), paper ME66.
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