Title :
Long-cavity, multiple-phase-shift, distributed feedback laser for linewidth narrowing
Author :
Ogita, Shoichi ; Kotaki, Y. ; Matsuda, Manabu ; Kuwahara, Yutaka ; Ishikawa, Hiroshi
Author_Institution :
Fujitsu Labs. Ltd., Kanagawa, Japan
fDate :
5/11/1989 12:00:00 AM
Abstract :
Describes the long-cavity multiple-phase-shift distributed feedback (MPS-DFB) laser diode with three phase shifts in the corrugation for linewidth narrowing. Stable single-mode operation up to 30 mW and narrow linewidth of 830 kHz were obtained for a 1.2 mm cavity MPS-DFB laser.
Keywords :
distributed feedback lasers; laser cavity resonators; semiconductor junction lasers; 30 mW; 830 kHz; cavity MPS-DFB laser; corrugation; distributed feedback laser; linewidth narrowing; long-cavity multiple-phase-shift distributed feedback; single-mode operation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890427
