Title :
Highly coherent optical frequency sweeper using injection locking in a tunable laser
Author :
Ishikawa, Mitsuteru ; Kano, Fumiyoshi ; Yoshikuni, Yuzo
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
Abstract :
The spectral linewidth of repeatedly injection-locked light was investigated. During 110 stages of injection locking and frequency shifting in the sweeper, no significant linewidth degradation was observed and coherency was maintained among frequency-shifted lights.
Keywords :
acousto-optical devices; distributed Bragg reflector lasers; laser mode locking; laser tuning; semiconductor lasers; spectral line breadth; acousto-optic frequency shifter; distributed Bragg reflector laser; frequency-shifted light coherency; injection locking; linewidth degradation; optical frequency sweeper; repeatedly injection-locked light; semiconductor lasers; spectral linewidth; tunable laser; Degradation; Delay; Distributed Bragg reflectors; Frequency measurement; Injection-locked oscillators; Laser stability; Optical mixing; Optical pulse shaping; Pulse measurements; Tunable circuits and devices;
Conference_Titel :
Semiconductor Laser Conference, 2002. IEEE 18th International
Print_ISBN :
0-7803-7598-X
DOI :
10.1109/ISLC.2002.1041111
