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Wavelength-tunable picosecond pulses generated from stable self-seeded gain-switched laser diode with linearly chirped fibre Bragg grating

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3 Author(s)
Shenping Li ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, Hong Kong ; Chan, K.T. ; Caiyun Lou

A simple robust self-seeded laser diode scheme for generating electrical wavelength-tunable picosecond pulses at a fixed repetition rate is presented. Wavelength tuning of transform-limited pulses with a pulsewidth of ~10 ps and a sidemode suppression ratio of 15 dB overall, and 28 dB at best, was obtained among six cavity modes corresponding to a tuning range of 7.6 nm. Very stable operation was observed at each wavelength because there was a relativity large locking range for each wavelength

Published in:

Electronics Letters  (Volume:34 ,  Issue: 12 )