Frequency-resolved optical gating measurements of sub-ps pulses from InAs/InP quantum dash based mode-locked lasers

C Calò,Holger Schmeckebier,K Merghem,R Rosales,F Lelarge,A Martinez,D Bimberg,A Ramdane

Indium Phosphide and Related Materials（2013）

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摘要

Mode-locking of single-section Fabry-Pérot lasers based on InAs/InP quantum dashes is studied by second-harmonic generation frequency-resolved optical gating (SHG-FROG). The devices take advantage of an optimized epitaxial structure with modal gain of 50 cm-1 showing a broad and flat emission spectrum of width in excess of 14 nm. Self-starting pulses of a width down to 430 fs are observed after intracavity dispersion compensation using single-mode fiber (SMF).

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关键词

iii-v semiconductors,indium compounds,laser mode locking,optical harmonic generation,quantum dash lasers,fabry-perot lasers,inas-inp,frequency-resolved optical gating measurements,intracavity dispersion compensation,quantum dash based mode-locked lasers,second-harmonic generation frequency-resolved optical gating,single-mode fiber,time 430 fs,optical fibers,semiconductor lasers,nonlinear optics,single mode fiber

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