Title :
Reduced propagation losses in quasi-phase-matched GaAs/AlGaAs waveguides
Author :
Yoshida, Sigeru ; Hanashima, Kaori ; Ohta, Isao ; Matsushita, Teruo ; Kondo, Toshiaki
Author_Institution :
Dept. of Mater. Eng., Univ. of Tokyo, Tokyo, Japan
Abstract :
We have achieved the lowest propagation loss of 1.3 dB/cm in a quasi-phase-matched GaAs/AlGaAs waveguide by optimizing MBE growth temperature. An expected normalized conversion efficiency of the waveguide will exceed that of a PPLN waveguide.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; molecular beam epitaxial growth; optical fabrication; optical losses; optical phase matching; optical waveguides; optical wavelength conversion; optimisation; semiconductor growth; GaAs-AlGaAs; MBE growth temperature optimization; PPLN waveguide; normalized conversion efficiency; propagation loss reduction; quasiphase-matched gallium arsenide-aluminium gallium arsenide waveguides; Anisotropic magnetoresistance; Gallium arsenide; Nonlinear optics; Optical device fabrication; Optical waveguides; Optical wavelength conversion; Propagation losses;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
