Title :
Optically-pumped circularly-polarized lasing in a (110)-oriented VCSEL based on InGaAs/GaAs QWs
Author :
Fujino, Hiroshi ; Iba, Satoshi ; Fujimoto, Toshiyasu ; Koh, Shinji ; Kawaguchi, Hitoshi
Author_Institution :
Graduated Sch. of Mater. Sci., Nara Inst. of Sci. & Technol., Ikoma, Japan
Abstract :
We demonstrated circularly-polarized lasing in a (110)-oriented VCSEL based on InGaAs/GaAs QWs by optical pumping for the first time. High degree of circularly polarization (0.94) was achieved reflecting long spin relaxation times in (110) QWs.
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; light polarisation; optical pumping; quantum well lasers; surface emitting lasers; InGaAs-GaAs; VCSEL; circularly polarized laser; long spin relaxation time; optical pumping; quantum well laser; Distributed Bragg reflectors; Electron optics; Gallium arsenide; Geometrical optics; Indium gallium arsenide; Optical polarization; Optical pumping; Pump lasers; Stimulated emission; Vertical cavity surface emitting lasers; (140.5960) Semiconductor lasers; (250.7260) Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
