Title :
Integrated AlGaAs quantum-well ridge-structure two-wavelength DBR laser for THz wave generation
Author :
Uemukai, M. ; Ishida, H. ; Ito, A. ; Suhara, T. ; Kitajima, H. ; Watanabe, A. ; Kan, H.
Author_Institution :
Dept. of Electr., Electron. & Inf. Eng., Osaka Univ., Suita, Japan
Abstract :
An integrated two-wavelength DBR laser consisting of two DBR lasers and a Y-branch waveguide amplifier was designed and fabricated. Laser performances of same output level of ~10 mW and side-mode suppression ratio of 30 dB, suitable for THz wave generation by photomixing, were obtained.
Keywords :
III-V semiconductors; aluminium compounds; distributed Bragg reflector lasers; gallium arsenide; integrated optics; nonlinear optics; optical waveguides; quantum well lasers; ridge waveguides; terahertz wave generation; AlGaAs; integrated quantum well ridge structure; photomixing; side mode suppression; terahertz wave generation; two wavelength DBR laser; waveguide amplifier; Distributed Bragg reflectors; Gratings; Measurement by laser beam; Optical waveguides; Surface emitting lasers; Waveguide lasers;
Conference_Titel :
Semiconductor Laser Conference (ISLC), 2010 22nd IEEE International
Conference_Location :
Kyoto
Print_ISBN :
978-1-4244-5683-3
DOI :
10.1109/ISLC.2010.5642751
