EPJ Web of Conferences
Volume 41, 2013XVIIIth International Conference on Ultrafast Phenomena
|Number of page(s)||3|
|Section||Physics – Condensed Phase, Surfaces and Low Dimensional Systems|
|Published online||13 March 2013|
Manipulation of Squeezed Two-Phonon Bound States using Femtosecond Laser Pulses
1 Materials and Structures Laboratory, Tokyo Institute of Technology, R3-10, 4259 Nagatsuta, Yokohama 226-8503, Japan
2 CREST, Japan Science and Technology Agency, Kawaguchi 332-0012, Japan
3 Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Moscow region, Russia
Two-phonon bound states have been excited exclusively in ZnTe(110) via impulsive stimulated second-order Raman scattering, essentially being squeezed states due to phase coherent excitation of two identical components anticorrelated in the wave vector. By using coherent control technique with a pair of femtosecond laser pulses, the manipulation of squeezed states has been demonstrated in which both the amplitude and lifetime of coherent oscillations of squeezed states are modulated, indicating the feasibility to control the quantum noise and the quantum nature of phonon squeezed states, respectively.
© Owned by the authors, published by EDP Sciences, 2013
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