Hectowatt-level GHz burst-mode all-fiber laser based on dissipative soliton resonance
OPTICS EXPRESS(2022)
Abstract
We demonstrate a high power Yb-doped burst-mode all-fiber laser system operating at GHz infra-burst repetition rate. To our knowledge, it is the first report utilizing dissipative soliton resonance (DSR) to generate tunable burst-mode rectangular pulses. Due to the tunable duration and the rapid rise/fall time for DSR pulses, a 1-10 ns adjustable burst pulse duration is achieved. The intra-burst with sinusoidal waveform can be tuned from 0.8 GHz to 1.5 GHz and actively modulated by an electro-optic modulator (EOM). Amplified by a three-stage Yb-doped fiber amplifier (YDFA), the output power achieves 304 W at 10 ns of burst duration, and the maximum peak power reaches over 50 kW at 2 ns of burst duration. This laser system is anticipated to be applied to generate high power arbitrary microwave signal. (C) 2022 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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Key words
ghz,laser,hectowatt-level,burst-mode,all-fiber
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