Title :
Broad area DBR laser diodes with self-focussed output beam
Author :
Yanson, D.A. ; Rafailov, E.U. ; Sokolovskii, G.S. ; Bryce, A.C. ; Marsh, J.H. ; Sibbett, W.
Author_Institution :
Dept. of Electron. & Electr. Eng., Glasgow Univ., UK
Abstract :
We report the first realisation of novel DBR lasers incorporating confocal gratings. The devices exhibited single-longitudinal mode operation with a laterally focussed beam and will be suitable for applications requiring both spectrally and spatially enhanced beam quality.
Keywords :
III-V semiconductors; aluminium compounds; diffraction gratings; distributed Bragg reflector lasers; gallium arsenide; laser beams; laser modes; optical focusing; quantum well lasers; DBR lasers; GaAs-AlGaAs; broad area DBR laser diodes; confocal gratings; laterally focussed beam; optical focussing; self-focussed output beam; single-longitudinal mode operation; spatially enhanced beam quality; spectrally enhanced beam quality; Diode lasers; Distributed Bragg reflectors; Gratings; Laser beams; Laser modes; Laser theory; Pump lasers; Quantum well lasers; Scanning electron microscopy; Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
Print_ISBN :
0-7803-7500-9
DOI :
10.1109/LEOS.2002.1133932
