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Coherent time-resolved investigation of LO-phonon dynamics in GaAs

✍ Scribed by Vallée, F.; Bogani, F.

Book ID
120650716
Publisher
The American Physical Society
Year
1991
Tongue
English
Weight
180 KB
Volume
43
Category
Article
ISSN
1098-0121

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## Abstract An interferometric technique employing femtosecond pump–probe reflectivity measurements has been used to study the direct generation, propagation, and detection of coherent longitudinal acoustic (LA) phonon pulses in bulk GaN and AlGaN thin films at frequencies in the 100 to 200 GHz ran