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Journals and Conferences
The physics of quantum dot based optical devices has been studied intensively due to their interesting blend of atomic and solid state properties. Recently, attention has been focused on their absorption properties and has led to QD materials finding favour in such applications as monolithic mode-locked lasers, electro-absorption modulators and saturable… (More)
Waveform instability is theoretically found in quantum-dot mode-locked laser simulations using experimentally obtained device dynamical parameters. Stabilization via optical injection is numerically and experimentally shown.
In this study we perform a detailed investigation of the ultrafast processes which govern the intradot recovery dynamics of a QD InAs/GaAs structure under reverse bias condition by means of the Single and Two Colour Pump-Probe technique. By studying the GS and ES recoveries as a function of reverse bias voltage and fitting the experimental results with a… (More)