University of Dundee Saturated gain spectrum of VECSELs determined by transient measurement of lasing onset Head

@inproceedings{Head2017UniversityOD,
  title={University of Dundee Saturated gain spectrum of VECSELs determined by transient measurement of lasing onset Head},
  author={C. Robin Head and Keith G. Wilcox and Andrew P. Turnbull and Oliver J. Morris and Edward G. Shaw and Anne C. Tropper},
  year={2017}
}
We describe time-resolved measurements of the evolution of the spectrum of radiation emitted by an optically-pumped continuous-wave InGaAs-GaAs quantum well laser, recorded as lasing builds up from noise to steady state. We extract a fitting parameter corresponding to the gain dispersion of the parabolic spectrum equal to −79 ± 30 fs and −36 ± 6 fs for a resonant and anti-resonant structure, respectively. Furthermore the recorded evolution of the spectrum allows for the calculation of an… CONTINUE READING
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Head is supported by an EPSRC Doctoral Prize Fellowship and K. G. Wilcox holds an EPSRC Early Career Fellowship

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