Title :
Circular-grating surface-emitting distributed Bragg reflector lasers on an InGaAs/GaAs structure for 0.98 μm applications
Author :
Fallahi, M. ; Chatenoud, F. ; Dion, M. ; Templeton, I.M. ; Barber, R. ; Thompson, J.
Author_Institution :
Nat. Res. Council of Canada, Ottawa, Ont., Canada
Abstract :
InGaAs/GaAs circular-grating surface-emission DBR lasers with a pulsed external efficiency, over 11% (power>100 mW) and a divergence of 1° are obtained. We also demonstrate the first CW operation near room temperature
Keywords :
diffraction gratings; distributed Bragg reflector lasers; gallium arsenide; gradient index optics; indium compounds; laser cavity resonators; quantum well lasers; surface emitting lasers; 0.98 mum; 100 mW; 11 percent; 298 K; CW operation; InGaAs-GaAs; InGaAs/GaAs structure; circular-grating surface-emitting distributed Bragg reflector laser; pulsed external efficiency; room temperature; surface-emission DBR lasers; Distributed Bragg reflectors; Electrons; Gallium arsenide; Gratings; Indium gallium arsenide; Laser feedback; Laser theory; Surface emitting lasers; Temperature; Threshold current;
Conference_Titel :
Semiconductor Laser Conference, 1994., 14th IEEE International
Conference_Location :
Maui, HI
Print_ISBN :
0-7803-1754-8
DOI :
10.1109/ISLC.1994.519174
