Colliding-pulse Modelocked Quantum Dot Lasers

MG Thompson,C Marinelli,X Zhao,RL Sellin,RV Penty, IH White,IN Kaiander,D Bimberg,DJ Kang, MG Blamire

Electronics letters（2005）

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摘要

Colliding pulse modelocking is demonstrated for the first time in quantum dot lasers. Using 3.9 mm-long devices with a 245 pm-long central absorber, 7 ps pulses at a repetition rate of 20 GHz is obtained. For Gaussian pulses a time-bandwidth product close to the Fourier transform limit is determined. These results confirm the potential of quantum dot lasers for high repetition rate harmonic modelocking.

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关键词

laser mode locking,quantum dot lasers,optical saturable absorption

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