Dynamics of frequency-modulated soliton-like pulses in an amplifier-modulator-compressor cascade |
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Authors: | A S Abramov I O Zolotovskii D I Sementsov D A Stolyarov |
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Institution: | 1. Ulyanovsk State University, Ulyanovsk, 432017, Russia
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Abstract: | Specific features of the formation of frequency-modulated pulses with large peak powers in amplifier-modulator-compressor cascade schemes based on length-inhomogeneous optic fibers are considered. Optimum profiles of fiber parameters ensuring the most effective amplification and modulation of pico- and subpicosecond frequency-modulated pulses are proposed. It is established that the use of a cascade consisting of active (gain) and passive (modulating) fibers with optimized profiles of the normal group-velocity dispersion and mode area can ensure the formation of pico- and subpicosecond pulses with energies higher than 100 nJ and peak powers above 100 kW. |
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