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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 17 — Aug. 13, 2012
  • pp: 19289–19296

Coherent control of high-order harmonic generation by phase jump pulses

Yang Xiang, Yueping Niu, Hongmei Feng, Yihong Qi, and Shangqing Gong  »View Author Affiliations


Optics Express, Vol. 20, Issue 17, pp. 19289-19296 (2012)
http://dx.doi.org/10.1364/OE.20.019289


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Abstract

We theoretically investigate the high-order harmonic generation driven by laser pulses with a π -phase jump. The cutoff of high-order harmonic spectrum extends dramatically due to the phase jump which enlarges the asymmetry of the laser field. We find that the intensity and the coherence of the continuum can be controlled by the jump time. By selecting proper frequency of the continuum spectrum, a sub-100-attosecond pulse can be generated without any phase compensation.

© 2012 OSA

OCIS Codes
(190.4160) Nonlinear optics : Multiharmonic generation
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 18, 2012
Revised Manuscript: July 25, 2012
Manuscript Accepted: July 26, 2012
Published: August 8, 2012

Citation
Yang Xiang, Yueping Niu, Hongmei Feng, Yihong Qi, and Shangqing Gong, "Coherent control of high-order harmonic generation by phase jump pulses," Opt. Express 20, 19289-19296 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-17-19289


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