10 March 2016 Broadly tunable DBR-free semiconductor disk laser
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We report a DBR-free semiconductor disk lasers centered at 1160 nm with a tuning range of 78 nm, and ongoing effort on our DBR-free SDL centered at 1040 nm. Compared with conventional semiconductor disk lasers, DBR-free SDLs have a broader effective gain bandwidth. In CW operation, 2.5 W output power at 1160 nm and 6 W at 1055 nm were collected from the two lasers without thermal-rollover. Intracavity loss mitigation, currently underway, should improve power scaling and efficiency in these systems.
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Zhou Yang, Zhou Yang, Alexander R. Albrecht, Alexander R. Albrecht, Jeffrey G. Cederberg, Jeffrey G. Cederberg, Shawn Hackett, Shawn Hackett, Mansoor Sheik-Bahae, Mansoor Sheik-Bahae, "Broadly tunable DBR-free semiconductor disk laser", Proc. SPIE 9734, Vertical External Cavity Surface Emitting Lasers (VECSELs) VI, 97340I (10 March 2016); doi: 10.1117/12.2213348; https://doi.org/10.1117/12.2213348


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