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Passive FM locking and pulse generation from 980-nm strained-quantum-well Fabry-Perot lasers

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2 Author(s)
Chinn, S.R. ; MIT, Westford, MA, USA ; Swanson, E.A.

Multiple-order passive frequency modulation (FM) locking in 980-nm lasers has been measured using autocorrelation and optical spectra. Optical fiber dispersion provided a simple means of converting the coherent FM output to an amplitude modulation (AM) pulse train at multiples of the laser round-trip frequency. We have produced such pulses at frequencies of up to 233 GHz from a single source with no external modulation. Extension of this technique should be possible with 1550-nm lasers.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 9 )