Title :
Micro-Raman investigations of free-standing GaAs/AlGaAs single quantum well (SQW) microtubes
Author :
Yunxia Gao;Qi Wang;Zhihong Pan;Xiankun Wang;Hao Liu;Xiaomin Ren
Author_Institution :
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, People´s Republic of China
Abstract :
The micro-Raman spectra of as-grown area SQW GaAs/AlGaAs shows 281, 378 cm-1 for GaAs-like LO, AlAs-like LO of AlGaAs barrier, demonstrating two-mode behavior. For rolled-up microtubes, all LO modes shifted to lower frequencies.
Keywords :
"Optical device fabrication","Optical imaging","Optical resonators","Optical pumping","Biomedical optical imaging","Optical buffering","Gallium arsenide"
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
DOI :
10.1109/CLEOPR.2015.7376472
