23 May 2013 Recent advances in power scaling of high-power optically-pumped semiconductor lasers for ultrashort pulse generation and continuous wave single frequency operation
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Abstract
We report on our research in power scaling VECSEL around 1 μm to exceed 100W per chip. Recently, we have utilized these optimized VECSEL chips to achieve a new record for a mode-locked VECSEL. The output power of the laser was 3.4W. This corresponds to a pulse energy of 7.5nJ and a pulse peak power of 13.3kW. Both are record values for a semiconductor laser in the femtosecond regime. These optimized structures have also been used to demonstrate high power operation with a highly coherent TEM00 mode and to demonstrate a record single frequency output power of 15W.
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Alexandre Laurain, Alexandre Laurain, Maik Scheller, Maik Scheller, Tsuei-Lian Wang, Tsuei-Lian Wang, Jorg Hader, Jorg Hader, Jerome V. Moloney, Jerome V. Moloney, Bernd Heinen, Bernd Heinen, Bernardette Kunert, Bernardette Kunert, Wolfgang Stolz, Wolfgang Stolz, "Recent advances in power scaling of high-power optically-pumped semiconductor lasers for ultrashort pulse generation and continuous wave single frequency operation", Proc. SPIE 8733, Laser Technology for Defense and Security IX, 873303 (23 May 2013); doi: 10.1117/12.2018310; https://doi.org/10.1117/12.2018310
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