Multipulse operation and limits of the Kerr-lens mode-locking stability

Multipulse operation and limits of the Kerr-lens mode-locking stability

Numerical analysis in combination with experimental data for Cr/sup 2+/:ZnSe and Ti:sapphire lasers reveal the following main mechanisms of multiple-pulse generation for Kerr-lens mode-locked solid-state lasers: 1) continuum amplification due to a spectral loss growth for ultrashort or chirped pulse...

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Veröffentlicht in:IEEE journal of quantum electronics 2003-02, Vol.39 (2), p.323-336
Hauptverfasser: Kalashnikov, V.L., Sorokin, E., Sorokina, I.T.
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
Chirp
Chromium
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gain
Laser mode locking
Laser optical systems: design and operation
Lasers
Modulation
Modulation, tuning, and mode locking
Numerical analysis
Numerical stability
Optical pulse generation
Optics
Perturbation methods
Physics
Pulse amplifiers
Pump lasers
Pumps
Solid lasers
Spectra
Stability
Zinc compounds
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Zusammenfassung:Numerical analysis in combination with experimental data for Cr/sup 2+/:ZnSe and Ti:sapphire lasers reveal the following main mechanisms of multiple-pulse generation for Kerr-lens mode-locked solid-state lasers: 1) continuum amplification due to a spectral loss growth for ultrashort or chirped pulses and 2) a bounded perturbation rise for high-energy pulses. The role of such laser parameters as gain saturation and relaxation, saturable and unsaturable loss, self-phase modulation, Kerr-lensing, and pump intensity is analyzed. This analysis provides basic directions for single-pulse stability enhancement and for multiple-pulse generation control.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2002.807204