Kerr-lens mode-locking ability of Cr2+:ZnSe solid state laser

Vladimir L. Kalashnikov; Igor G. Poloyko

doi:10.1117/12.420952

23 March 2001 Kerr-lens mode-locking ability of Cr²+:ZnSe solid state laser

Vladimir L. Kalashnikov, Igor G. Poloyko

Proceedings Volume 4350, Laser Optics 2000: Solid State Lasers; (2001) https://doi.org/10.1117/12.420952
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

The theoretical calculation for nonlinear refractive index n₂ in Cr²⁺:ZnSe-active medium predicts the strong defocusing cascade second-order non-linearity within 2-3 micrometers spectral range. On the basis of this result the optimal cavity configuration for Kerr-lens mode locking is proposed that allows to achieve a sub-100 fs pulse duration. The numerical simulations testify about strong destabilizing processes in the laser resulting from a strong self-phase modulation. The stabilization of the ultra short pulse generation is possible due to spectral filtering that increases the pulse duration up to 300 fs.

Citation Download Citation

Vladimir L. Kalashnikov and Igor G. Poloyko "Kerr-lens mode-locking ability of Cr²+:ZnSe solid state laser", Proc. SPIE 4350, Laser Optics 2000: Solid State Lasers, (23 March 2001); https://doi.org/10.1117/12.420952

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