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Appl. Sci. 2015, 5(4), 1431-1439; doi:10.3390/app5041431

Theoretical Analysis of Dependence of Nonlinear Effects in Mode-Locked Yb:YAG Lasers with a Highly Nonlinear Intra-Cavity Medium

1
Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui, Fukui 910-8507, Japan
2
Research and Education Program for Life Science, University of Fukui, 3-9-1 Bunkyo, Fukui, Fukui 910-8507, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Malte C. Kaluza
Received: 31 July 2015 / Revised: 20 November 2015 / Accepted: 23 November 2015 / Published: 27 November 2015
(This article belongs to the Special Issue Diode-Pumped, Ultra-Short Pulse Lasers)
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Abstract

Nonlinear ultrashort pulse propagation in a mode-locked Yb:YAG laser with a highly nonlinear intra-cavity medium is analyzed using a nonlinear Schrodinger equation. The output spectra are extended by the increased laser intensity, and spectral bandwidths wider than those of the gain medium are achieved. Moreover, pulse widths are shortened by increased laser intensity to considerably less than those of the gain medium. The simulation results qualitatively agree with the experimental results. View Full-Text
Keywords: ultra-short laser pulses; ytterbium; ultrafast nonlinear optics; laser theory ultra-short laser pulses; ytterbium; ultrafast nonlinear optics; laser theory
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yoshida, T.; Okunishi, H.; Kyomoto, K.; Kato, K.; Shimabayashi, K.; Inayoshi, S.; Morioka, M.; Kawato, S. Theoretical Analysis of Dependence of Nonlinear Effects in Mode-Locked Yb:YAG Lasers with a Highly Nonlinear Intra-Cavity Medium. Appl. Sci. 2015, 5, 1431-1439.

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