Self compression of Yb-doped solid-state lasers by combination of self-phase modulation and group-velocity dispersion in KDP crystal | Zendy

Tetsuo Harimoto | Zendy; Koichi Yamakawa | Zendy

Open Access

Self compression of Yb-doped solid-state lasers by combination of self-phase modulation and group-velocity dispersion in KDP crystal

Author(s) -

Tetsuo Harimoto,

Koichi Yamakawa

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.015438

Subject(s) - materials science , optics , laser , pulse compression , group velocity , dispersion (optics) , self phase modulation , crystal (programming language) , phase (matter) , solid state laser , phase modulation , doping , modulation (music) , optoelectronics , nonlinear optics , physics , telecommunications , phase noise , radar , quantum mechanics , computer science , programming language , acoustics

We propose and evaluate numerically the self compression for Yb-doped solid-state laser pulses in a KDP crystal by the combination of the group-velocity dispersion and the self-phase modulation. The self compression is achievable as the group-velocity-dispersion coefficient of KDP crystals is negative around a 1-mum wavelength. Numerical results showed that the laser pulse in the range 50-200 fs can be compressed as short as 12.8 fs. This self-compression method is simple and low cost, which is possible to be applied to an Yb-doped solid-state laser system with a large-scale beam and an ultrahigh intensity in the regime of tens of femotoseconds.

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