DocumentCode
2882427
Title
Anharmonic decay of longitudinal coherent acoustic phonons in GaN : Confirmation of Herring’s theory in the sub-THz regime
Author
Liu, Tzu-Ming ; Sun, Shih-Ze ; Chang, Chieh-Feng ; Pan, Chang-Chi ; Chen, Guan-Ting ; Chyi, Jen-Inn ; Sun, Chi-Kuang
Author_Institution
Grad. Inst. of Electro-Opt. Eng., Nat. Taiwan Univ., Taipei
fYear
2006
fDate
21-26 May 2006
Firstpage
1
Lastpage
2
Abstract
We have successfully determined the anharmonic decay time of coherent longitudinal-acoustic-phonons in GaN. The temperature dependent anharmonic decay behavior is found to agree well with the Herringpsilas theory even up to the sub-THz frequency regime.
Keywords
anharmonic lattice modes; high-speed optical techniques; phonons; GaN; Herringpsilas theory; anharmonic decay; longitudinal coherent acoustic phonons; temperature dependent; Acoustic scattering; Frequency; Gallium nitride; Optical pulses; Optical scattering; Particle scattering; Phonons; Quantum well devices; Temperature dependence; Temperature measurement; (000.2190) Experimental physics; (320.7120) Ultrafast phenomena;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location
Long Beach, CA
Print_ISBN
978-1-55752-813-1
Electronic_ISBN
978-1-55752-813-1
Type
conf
DOI
10.1109/CLEO.2006.4628912
Filename
4628912
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