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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 9 — May. 6, 2013
  • pp: 11270–11275

Coherent high-order harmonic generation by sawtooth-like laser fields

Yang Xiang and Shufen Liu  »View Author Affiliations

Optics Express, Vol. 21, Issue 9, pp. 11270-11275 (2013)

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We theoretically investigate the high-order harmonic generation driven by sawtooth-like laser fields. It is found that the coherence of the high-order harmonic spectrum could be controlled by adjusting the sawtooth shape parameter α (0 ≤ α ≤ 0.5). With proper α, the intensity of the high-order harmonic spectra come from the electrons with long trajectories can be greatly weakened and the harmonic photons in the plateau burst with high coherence in a broad frequency range. Selecting these harmonics, a phase-stabilized attosecond pulse train with regular pulse structure could be obtained.

© 2013 OSA

OCIS Codes
(190.4160) Nonlinear optics : Multiharmonic generation
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(270.6620) Quantum optics : Strong-field processes

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 29, 2013
Revised Manuscript: March 14, 2013
Manuscript Accepted: April 10, 2013
Published: May 1, 2013

Yang Xiang and Shufen Liu, "Coherent high-order harmonic generation by sawtooth-like laser fields," Opt. Express 21, 11270-11275 (2013)

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