Title :
A new approach to Ge lasers with low pump power
Author :
Chen, Xiaochi ; Huo, Yijie ; Fei, Edward T. ; Shambat, Gary ; Zang, Kai ; Liu, Xi ; Chen, Yusi ; Kamins, Theodore I. ; Vuckovic, Jelena ; Harris, James S.
Author_Institution :
Dept. of Electr. Eng., Stanford Univ., Stanford, CA, USA
Abstract :
We present direct bandgap photoluminescence from carrier confinement in Ge/SiGe quantum wells in a microdisk resonator. Based on simulation and experimental results, the Ge/SiGe quantum well structure has great potential to serve as a low pump power Ge laser.
Keywords :
Ge-Si alloys; optical pumping; photoluminescence; quantum well lasers; Ge-SiGe; carrier confinement; direct bandgap photoluminescence; microdisk resonator; pump power; quantum well structure; Carrier confinement; Optical pumping; Optical resonators; Photoluminescence; Pump lasers; Silicon germanium;
Conference_Titel :
Photonics Conference (IPC), 2012 IEEE
Conference_Location :
Burlingame, CA
Print_ISBN :
978-1-4577-0731-5
DOI :
10.1109/IPCon.2012.6358488