30W, 10uJ, 10-ps SPM-induced spectrally compressed pulse generation in a low non-linearity ytterbium-doped rod-type fibre amplifier

Y. Zaouter; E. Cormier; P. Rigail; C. Hönninger; E. Mottay

doi:10.1117/12.699586

22 February 2007 30W, 10&mgr;J, 10-ps SPM-induced spectrally compressed pulse generation in a low non-linearity ytterbium-doped rod-type fibre amplifier

Y. Zaouter, E. Cormier, P. Rigail, C. Hönninger, E. Mottay

Author Affiliations +

Proceedings Volume 6453, Fiber Lasers IV: Technology, Systems, and Applications; 64530O (2007) https://doi.org/10.1117/12.699586
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

The concept of spectral compression induced by self phase modulation is used to generate transform-limited 10ps pulses in a rare-earth-doped low nonlinearity fibre amplifier. The seed source of the amplifier stage is a high power, Yb³⁺:KGW bulk oscillator which delivers 500 fs transform-limited pulses at 10MHz repetition rate. After a reduction of the repetition rate down to 3MHz, the femtosecond pulses are negatively chirped by transmission gratings in a compressor arrangement. The resulting 10ps pulses are further seeded into the power amplifier and up to 32W output power is obtained while the spectral bandwidth is reduced to less than 0.5 nm by means of self phase modulation.

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Y. Zaouter, E. Cormier, P. Rigail, C. Hönninger, and E. Mottay "30W, 10&mgr;J, 10-ps SPM-induced spectrally compressed pulse generation in a low non-linearity ytterbium-doped rod-type fibre amplifier", Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64530O (22 February 2007); https://doi.org/10.1117/12.699586

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