Abstract

In order to enhance the efficiency and the output average power of the synchronously pumped stimulated Raman scattering (SRS) system, we studied a picosecond pulse-train synchronously pumped SRS system experimentally. A compact KGd(WO4)2 (KGW) Raman cavity was synchronously pumped by high average power picosecond pulse-train laser. 1.22 W including eight-order Stokes Raman components were obtained and the maximum Raman conversion efficiency was 35.4% which was the highest efficiency for all-solid-state picosecond synchronously pumped SRS system to our best knowledge. And the “parasitical SRS process” under SRS process in synchronously pumping condition was observed for the first time.

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