All-optical generation and detection of coherent acoustic phonons in GaN single crystals

Shuai Wu Shuai Wu,Roman Sobolewski,J Jun,P Geiser,J Karpinski

doi:10.1109/qels.2007.4431102

All-optical generation and detection of coherent acoustic phonons in GaN single crystals

Shuai Wu Shuai Wu, Roman Sobolewski + Show 3 more

https://doi.org/10.1109/qels.2007.4431102

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Publication Date: May 1, 2007

Citations: 1

Affiliation: University of Rochester, Energetics (United States), ETH Zurich

#Detection Of Coherent Acoustic Phonons #Generation Of Coherent Acoustic Phonons + Show 8 more

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Abstract

We report experimental and theoretical studies on time-resolved generation and detection of coherent acoustic phonons in bulk GaN single crystals with an ultrafast two-color pump-probe technique. Optically-induced electronic stress is responsible for the phonon generation.

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