Title :
Optically-pumped circularly polarized lasing in a (110) VCSEL with GaAs/AlGaAs QWs at room temperature
Author :
Iba, Satoshi ; Koh, Shinji ; Ikeda, Kazuhiro ; Kawaguchi, Hitoshi
Author_Institution :
Grad. Sch. ofMaterials Sci., Nam Inst. of Sci. & Technol., Nara, Japan
Abstract :
We have successfully fabricated a (110)-VCSEL with GaAs/AlGaAs QWs and achieved circularly-polarized lasing with a high degree of circular polarization of 0.96 at room temperature, reflecting a long spin relaxation time in (110) GaAs/AlGaAs QWs.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; laser cavity resonators; light polarisation; optical pumping; quantum well lasers; surface emitting lasers; (110) VCSEL; GaAs-AlGaAs; circular polarization; optically-pumped circularly polarized lasing; spin relaxation; temperature 293 K to 298 K; Gallium arsenide; Optical device fabrication; Optical polarization; Optical reflection; Polarization; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
