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High-frequency and low-jitter optical pulse generation using semiconductor mode-locked lasers

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4 Author(s)
K. Sato ; NTT Network Innovation Labs., Kanagawa, Japan ; A. Hirano ; N. Shimizu ; I. Kotaka

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

Published in:

IEEE Transactions on Microwave Theory and Techniques  (Volume:47 ,  Issue: 7 )