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Microjoule level femtosecond optical pulses with double-cladding fiber-based nonlinear chirped-pulse amplification |
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| Authors: | Wang X Li P Yang H Jiang T Ma Y Fan Z Niu G Yu J Wang A Zhang Z |
| Institution: | 1.Institute of Quantum Electronics, State Key Laboratory of Advanced Optical Communication System and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, 100871, China ;2.Academy of Opto-Electronics of CAS, Beijing, 100080, China ; |
| Abstract: | An all-fiber high-energy nonlinear chirped-pulse amplification system with two-stage double-cladding fiber amplifiers is presented in this paper. It generates pulses with the energy up to 10 μJ at 20 kHz repetition rate and total accumulated nonlinear phase shift as large as 12.8π. The pulses can be compressed to 137 fs with the compensation of mismatched third-order dispersion by self-phase modulation in the fiber amplifiers. |
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