Very high amplitude, minimal chirp optical pulse generation at 1.55 mu m using multicontact DFBs and an erbium doped fibre amplifier
1990
A novel method of obtaining chirp minimised gain switched pulses of very high amplitude and contrast ratio is presented. 75 ps wide pulses at a 1.5 GHz repetition rate, with a -20 dB bandwidth of 4.7 AA are demonstrated. This is the first time that chirp has been minimised for DFB lasers without the compromise of the pulse definition.
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