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All-fiber design of erbium-doped laser system for tunable two-cycle pulse generation
E A Anashkina1, A V Andrianov, S V Muravyev
1Institute of Applied Physics, Russian Academy of Sciences, 603950 Nizhny Novgorod, Russia. elena.anashkina@gmail.com
Abstract:
We report a simple all-fiber design of an Er-doped laser system that is capable of generating widely tunable two-cycle pulses. In particular, 13-fs pulses at a wavelength of 1.7 μm are produced. The mechanism of pulse shortening is identical to the higher-order soliton compression and is supported by modeling based on the slowly evolving wave approximation, which is well suited for down to single-cycle pulse propagation in nonlinear dispersion-shifted fibers.
