15 February 2018 Structure and cavity geometry optimization for ultrashort and high power pulse generation from a VECSEL
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Abstract
Here we present the gain and SESAM structure design strategy employed for the demonstration of ultrashort pulses and we present a comprehensive study outlining the influence of the cavity geometry on the pulse duration and peak power achievable with a state of the art VECSEL and SESAM structure. We will discuss the physical mechanisms limiting the output power with near 100fs pulses and we will compare experimental results obtained with different cavity geometries, including a V-shaped cavity, a multi-fold cavity, and a ring cavity in a colliding pulse modelocking scheme. The experimental results are supported by numerical simulations.
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Alexandre Laurain, Robert Rockmore, Caleb W. Baker, Isak Kilen, Sadhvikas Addamane, Ganesh Balakrishnan, Jorg Hader, Antje Ruiz Perez, Wolfgang Stolz, Stephan W. Koch, Jerome V. Moloney, "Structure and cavity geometry optimization for ultrashort and high power pulse generation from a VECSEL", Proc. SPIE 10515, Vertical External Cavity Surface Emitting Lasers (VECSELs) VIII, 105150H (15 February 2018); doi: 10.1117/12.2288526; https://doi.org/10.1117/12.2288526
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