Title :
Tunable external-cavity semiconductor laser using monolithically integrated tapered amplifier and grating coupler for collimating
Author :
Uemukai, M. ; Suhara, T. ; Yutani, K. ; Shimada, N. ; Fukumoto, Y. ; Nishihara, H. ; Larsson, A.
Author_Institution :
Dept. of Electron. Eng., Osaka Univ., Japan
Abstract :
We present a lensless tunable external-cavity laser (TECL) using monolithically integrated tapered InGaAs-AlGaAs SQW amplifier and grating coupler, which can be fabricated without regrowth and emits a collimated output beam. We demonstrate a well-collimated output beam and wide-range tuning of the novel TECL.
Keywords :
III-V semiconductors; aluminium compounds; diffraction gratings; gallium arsenide; indium compounds; integrated optics; laser cavity resonators; laser tuning; optical collimators; optical couplers; quantum well lasers; semiconductor optical amplifiers; waveguide lasers; InGaAs-AlGaAs; InGaAs-AlGaAs SQW amplifier; collimated output beam; grating coupler; lensless tunable external-cavity laser; monolithically integrated tapered amplifier; optical collimators; tunable external-cavity semiconductor laser; well-collimated output beam; wide-range tuning; Gratings; Laser beams; Mirrors; Optical coupling; Power lasers; Semiconductor lasers; Semiconductor optical amplifiers; Solid lasers; Surface emitting lasers; Tunable circuits and devices;
Conference_Titel :
Semiconductor Laser Conference, 2000. Conference Digest. 2000 IEEE 17th International
Conference_Location :
Monterey, CA, USA
Print_ISBN :
0-7803-6259-4
DOI :
10.1109/ISLC.2000.882276
