Title :
Locking bandwidth of actively mode-locked semiconductor lasers
Author :
Ahmed, Zaheer ; Zhai, Lu ; Lowery, Arthur J. ; Onodera, Noriaki ; Tucker, Rodney S.
Author_Institution :
Dept. of Electr. & Electron. Eng., Melbourne Univ., Parkville, Vic., Australia
fDate :
6/1/1993 12:00:00 AM
Abstract :
The locking bandwidth of an actively mode-locked semiconductor laser is a measure of its tolerance to variations in the input drive frequency. At frequencies outside the locking bandwidth, the output pulses from the laser exhibit large amplitude fluctuations and timing jitter. The authors investigate the locking bandwidths of fundamentally driven and harmonically driven high-repetition-rate actively mode-locked semiconductor lasers. They show that the locking bandwidth is maximized when the cavity length is minimized. The locking bandwidth is related to an important constant, the pull-in time. Experimental data and numerical modeling show that the pull-in time is a function of the optical bandwidth of the system and the RF drive level
Keywords :
laser mode locking; semiconductor lasers; amplitude fluctuations; cavity length; fundamentally driven semiconductor lasers; harmonically driven high-repetition-rate actively mode-locked semiconductor lasers; input drive frequency; locking bandwidth; numerical modeling; optical bandwidth; output pulses; pull-in time; radio frequency drive level; timing jitter; Bandwidth; Frequency measurement; Injection-locked oscillators; Laser mode locking; Optical pulses; Radio frequency; Resonance; Semiconductor lasers; Space vector pulse width modulation; Timing jitter;
Journal_Title :
Quantum Electronics, IEEE Journal of
