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Mutual pulse injection seeding by the use of two fabry-Perot laser diodes to produce wavelength-tunable optical short pulses

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2 Author(s)
Xiaohui Fang ; Dept. of Electr. Eng., Hong Kong Polytech. Univ., China ; Wang, D.N.

A mutual pulse injection-seeding scheme is developed to produce wavelength-tunable optical short pulses by the use of two Fabry-Perot laser diodes, of which one is gain-switched and the other is dc biased. Wavelength tuning of the optical pulses is achieved by simply adjusting a tunable optical filter while maintaining a constant repetition frequency of 3.0 GHz. The sidemode suppression ratio obtained is more than 30 dB over the wavelength-tuning range of 19 nm. The system is simple and robust.

Published in:

Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 6 )