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We report an ytterbium-doped all-fiber laser generating dissipative soliton resonance (DSR) pulses with kilowatt-level peak power. The laser cavity was constructed with all-10/125 large-mode-area fibers to alleviate excessive nonlinear effects caused by high peak power. DSR pulse breaking and Raman-induced instability are avoided by carefully placing the fiber sections. Numerical and experimental...
In this paper· we demonstrate a Yb-doped· all-polarization-maintained· dumbbell-shaped fiber laser operating in dissipative soliton resonance regime. A nonreciprocal phase shifter is introduced to a reflective nonlinear optical loop mirror to reduce the self-starting threshold. The duration of the square pulses generated can be adjusted from 207ps to 20.6 ns by increasing pump power. Up to 512 nJ...
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