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10 March 2016 High-order dispersion in sub-200-fs pulsed VECSELs
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We present a VECSEL based on a gain sample design which utilizes only a single-layer dielectric Al2O3 coating for dispersion management. The gain structure generated pulse durations down to 193 fs in combination with a surface-recombination SESAM, with an average power of 400 mW at 1.6 GHz setting a new peak power record for sub-200 fs mode-locked VECSELs. The pulses obtained were, however, 2x transform-limited and a further FROG measurement of a similar laser is presented revealing a linear chirp and cubic spectral phase.
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C. Robin Head, Alexander Hein, Andrew P. Turnbull, Markus Polanik, Edward A. Shaw, Theo Chen Sverre, Peter Unger, and Anne C. Tropper "High-order dispersion in sub-200-fs pulsed VECSELs", Proc. SPIE 9734, Vertical External Cavity Surface Emitting Lasers (VECSELs) VI, 973408 (10 March 2016);

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