7 April 2004 Femtosecond Yb:KYW laser pumped by a single narrow-stripe laser diode
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We demonstrate a highly efficient and low threshold passively mode-locked femtosecond Yb:KYW laser pumped by an InGaAs narrow-stripe laser diode and which incorporates a semiconductor saturable absorber mirror. Near-transform limited pulses of 123fs at 1047nm were produced at an average mode-locked power of 107mW for only 308mW of incident pump power. An optical-to-optical conversion efficiency of 35% was achieved and the corresponding electrical-to-optical efficiency exceeded 14%.
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Alexander A. Lagatsky, Alexander A. Lagatsky, Edward U. Rafailov, Edward U. Rafailov, Christopher G. Leburn, Christopher G. Leburn, Christian T.A. Brown, Christian T.A. Brown, Ning Xiang, Ning Xiang, Oleg G. Okhotnikov, Oleg G. Okhotnikov, Wilson Sibbett, Wilson Sibbett, } "Femtosecond Yb:KYW laser pumped by a single narrow-stripe laser diode", Proc. SPIE 5478, Laser Optics 2003: Solid State Lasers and Nonlinear Frequency Conversion, (7 April 2004); doi: 10.1117/12.558357; https://doi.org/10.1117/12.558357


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