Title :
High-frequency and low-jitter optical pulse generation using semiconductor mode-locked lasers
Author :
Sato, Kenji ; Hirano, Akira ; Shimizu, Naofumi ; Kotaka, Isamu
Author_Institution :
NTT Network Innovation Labs., Kanagawa, Japan
fDate :
7/1/1999 12:00:00 AM
Abstract :
This paper describes optical short pulse generation at over 100 GHz using semiconductor mode-locked lasers integrated with electroabsorption modulators. Active mode locking at 102 GHz is performed by a half-frequency modulation technique. The phase noise of a generated pulse train is evaluated by means of an opto-electrical down conversion technique using a unitraveling-carrier photodiode. A low-timing jitter of 0.23 ps is obtained for 102-GHz 2.4-ps pulses
Keywords :
electro-optical modulation; laser mode locking; laser noise; phase noise; pulse generators; semiconductor lasers; timing jitter; 102 GHz; 2.4 ps; active mode locking; electroabsorption modulators; half-frequency modulation technique; low-jitter optical pulse generation; low-timing jitter; optical short pulse generation; opto-electrical down conversion technique; phase noise; semiconductor mode-locked lasers; unitraveling-carrier photodiode; Integrated optics; Laser mode locking; Laser noise; Optical modulation; Optical noise; Optical pulse generation; Phase noise; Pulse generation; Pulse modulation; Semiconductor lasers;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
