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Opt Lett. 2012 Mar 1;37(5):773-5. doi: 10.1364/OL.37.000773.

490 fs pulse generation from a passive C-band AlGaInAs/InP quantum well mode-locked laser.

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1
School of Engineering, University of Glasgow, Glasgow, G12 8LT UK. lianping.hou@glasgow.ac.uk

Abstract

We report femtosecond pulses from a passive C-band two-section AlGaInAs/InP mode-locked laser with a monolithically integrated passive waveguide made by quantum well intermixing. Without any external pulse compression, Lorentzian pulses are generated at a repetition frequency of ~38 GHz with 490 fs pulse duration, which is, to the best of our knowledge, the shortest pulse from any directly electrically pumped quantum well semiconductor mode-locked laser. The mode-locking range is relatively large and the ultranarrow pulse width is very stable over a broad range of driving conditions.

PMID:
22378389
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