Title :
Beam converging laser diode by taper ridge waveguide
Author :
Uenishi, Y. ; Isomura, Yoshinori ; Sawada, Renshi ; Ukita, H. ; Toshima, T.
Author_Institution :
NTT Appl. Electr. Labs., Tokyo
fDate :
5/12/1988 12:00:00 AM
Abstract :
To converge a laser beam parallel to the junction plane, a taper ridged waveguide is fabricated at the tip of the laser diode cavity. The beam converging effect is observed, and the beamwidth parallel to the junction plane is reduced to 1 μm
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; laser beams; optical waveguides; semiconductor junction lasers; GaAs-AlGaAs; beam converging effect; beamwidth; junction plane; laser diode; semiconductor laser; taper ridge waveguide;
Journal_Title :
Electronics Letters
