Time-resolved chirp in mode-locked semiconductor lasers

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Time-resolved chirp in mode-locked semiconductor lasers

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Published

Numerical simulations using the transmission-line laser model show that the instantaneous frequency of a 10 ps mode-locked pulse undergoes a rapid red-shift of 60 GHz during the first half of the pulse followed by a slow recovery of 10 GHz. Self-phase modulation is thought to cause this shift.

Inspec keywords: semiconductor device models; semiconductor junction lasers; laser theory; laser mode locking

Other keywords: dynamic model; numerical simulation; time-resolved chirp; mode-locked pulse; 10 ps; 850 nm; dispersive grating control; active mode locking; 1520 nm; dynamic frequency shifting; transmission-line laser model; modelled time-resolved spectrum; red-shift; instantaneous frequency; semiconductor lasers

Subjects: Semiconductor lasers; Lasing action in semiconductors; Laser beam modulation, pulsing and switching; mode locking and tuning

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