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Femtosecond Dynamics in semiconductor lasers: Dark pulse formation

By M. Kauer, J.R.A. Cleaver, J.J. Baumberg and A.P. Heberle


We track the dynamic response of GaAs quantum-well semiconductor diode lasers after injection of a femtosecond pulse, using ultrafast upconversion. The continuous-wave emission shows gain dynamics and relaxation oscillations on timescales of 1–100 ps. The recirculating femtosecond pulse evolves into an ultrafast "dark pulse" in the wake of subpicosecond oscillations

Topics: QC
Year: 1998
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Provided by: e-Prints Soton

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