26 February 2018 High-power femtosecond pulse propagation in a tapered large-mode-area optical fiber
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Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 105122N (2018) https://doi.org/10.1117/12.2286122
Event: SPIE LASE, 2018, San Francisco, California, United States
Abstract
We present an axially tapered large mode area W-fiber for high peak power femtosecond pulse propagation at 1550-nm wavelength. Our numerical simulations show pulse compression with output pulse of 36 kW peak power and 81 fs duration in down-tapered case and nearly undistorted propagation of 20 kW, 150 fs pulse in up-tapered case. Such direction dependent propagation of the pulse in the fiber should find applications in high power laser systems.
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Gyanendra Kumar, Gyanendra Kumar, Mohd Rehan, Mohd Rehan, Vipul Rastogi, Vipul Rastogi, D. A. Korobko, D. A. Korobko, A. A. Sysoliatin, A. A. Sysoliatin, } "High-power femtosecond pulse propagation in a tapered large-mode-area optical fiber", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105122N (26 February 2018); doi: 10.1117/12.2286122; https://doi.org/10.1117/12.2286122
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