Abstract
In this paper we present an effective method of pulse distortion pre-compensation in saturated high-power fiber amplifiers by arbitrarily shaping the input pulse. We derive a simple expression which allows us to generate user-defined pulse shapes at the output of the amplifier chain consisting of more than one stage. The numerical results were verified experimentally using a diode-seeded all-fiber two-stage master oscillator–power amplifier (MOPA) source based on Er3+/Yb3+-doped double-clad fiber. Several examples of obtained output shapes are presented, including high-energy 100-ns-long rectangular pulses.
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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Sobon, G., Kaczmarek, P., Antonczak, A. et al. Pulsed dual-stage fiber MOPA source operating at 1550 nm with arbitrarily shaped output pulses. Appl. Phys. B 105, 721–727 (2011). https://doi.org/10.1007/s00340-011-4741-7
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DOI: https://doi.org/10.1007/s00340-011-4741-7