High-energy soliton pulse generation with a passively mode-locked Er/Yb-doped multifilament-core fiber laser
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- Ortaç, B., Limpert, J., Jetschke, S. et al. Appl. Phys. B (2010) 98: 27. doi:10.1007/s00340-009-3727-1
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We report the generation of high-energy short pulses from a mode-locked erbium/ytterbium-doped large-mode-area multifilament-core fiber laser operating in the purely anomalous dispersion regime. The self-starting fiber laser emits 400 mW of average output power at a pulse repetition rate of 44 MHz, corresponding to a pulse energy of 9.1 nJ. The laser produces near transform-limited output pulses with pulse duration of 1.6 ps, corresponding to 5 kW peak power. This new type of low-nonlinearity fibers demonstrates the power and energy scaling potential of fiber-based short pulse lasers in the eye-safe region.