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19 February 2009 Tunable high-energy femtosecond soliton fiber laser based on hollow-core photonic bandgap fiber
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We present an all-fiber high power tunable femtosecond soliton-based source incorporating a picosecond fiber laser and an 8 m long piece of hollow-core photonic bandgap fiber. Strongly chirped high energy 5.5 ps pulses produced by fiber amplification are compressed in the hollow core enabling formation of stable 520 fs-solitons with 77% conversion efficiency. Wavelength tunability was provided by exploiting Raman self-frequency shift of the solitons yielding 33nm tuning range. The transform limited output pulses were frequency doubled using a conventional nonlinear crystal with high conversion efficiency of 60%. Demonstration of a femtosecond green laser tunable from 534 nm to 548 nm with 180nJ pulse energy is also reported.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pascal Dupriez, Frédéric Gérôme, Jonathan C. Knight, John Clowes, and William J. Wadsworth "Tunable high-energy femtosecond soliton fiber laser based on hollow-core photonic bandgap fiber", Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 719511 (19 February 2009);


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