Optimization of single attosecond x-ray pulses by genetic algorithm control of the chirp and initial phase of 5 fs laser pulses
JOSA B, Vol. 23, Issue 4, pp. 771-775 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000771
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Abstract
We show that the peak intensity of single attosecond x-ray pulses is enhanced by 1 or 2 orders of magnitude, the pulse duration is greatly compressed, and the optimal propagation distance is shortened by genetic algorithm optimization of the chirp and initial phase of 5 fs laser pulses. However, as the laser intensity increases, more efficient nonadiabatic self-phase matching can lead to a dramatically enhanced harmonic yield, and the efficiency of optimization decreases in the enhancement and compression of the generated attosecond pulses.
© 2006 Optical Society of America
OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(190.4160) Nonlinear optics : Multiharmonic generation
(270.6620) Quantum optics : Strong-field processes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
ToC Category:
Ultrafast Optics
History
Original Manuscript: March 7, 2005
Revised Manuscript: June 13, 2005
Manuscript Accepted: September 18, 2005
Virtual Issues
Vol. 1, Iss. 5 Virtual Journal for Biomedical Optics
Citation
Jun Xiao, Zhenrong Sun, Xiangyun Zhang, Yufeng Wang, Weiping Zhang, Zugeng Wang, Ruxin Li, and Zhizhan Xu, "Optimization of single attosecond x-ray pulses by genetic algorithm control of the chirp and initial phase of 5 fs laser pulses," J. Opt. Soc. Am. B 23, 771-775 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-4-771
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