Title :
Propagation studies of THz nano acoustic waves in GaN
Author :
Chia-Lung Hsieh ; Kung-Hsuan Lin ; Shr-Bin Wu ; Chang-Chi Pan ; Jen-Inn Chyi ; Keller, S. ; DenBaars, S.P. ; Chi-Kuang Sun
Author_Institution :
Graduate Inst. of Electro-Optical Eng., Taipei
Abstract :
By generating coherent nano acoustic waves in InGaN/GaN multiple-quantum-wells and analyzing their echo signals from the sample-air interface, we studied the propagation and reflection properties of the THz acoustic strain waves in GaN
Keywords :
III-V semiconductors; acoustic wave propagation; gallium compounds; indium compounds; light reflection; semiconductor quantum wells; InGaN-GaN; InGaN-GaN multiple-quantum-wells; THz nanoacoustic waves; reflection properties; Acoustic propagation; Acoustic waves; Capacitive sensors; Gallium nitride; Optical propagation; Optical scattering; Optical surface waves; Phonons; Rough surfaces; Surface roughness;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
