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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 22 — Oct. 27, 2008
  • pp: 17542–17553

Asymmetric molecular gating for supercontinuous high harmonic generation in the plateau

Pengfei Lan, Peixiang Lu, Fang Li, Qianguang Li, Weiyi Hong, Qingbin Zhang, Zhenyu Yang, and Xinbin Wang  »View Author Affiliations

Optics Express, Vol. 16, Issue 22, pp. 17542-17553 (2008)

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Molecular wave packets provide an alternative route to steer the high harmonic generation (HHG). Here we present a new method for isolated attosecond pulse generation from high harmonics in the plateau with asymmetric molecules. It is shown that the photoionization depends on the molecular structure. Through steering the ionization, HHG is controlled with the asymmetric molecule and supercontinuous high harmonics are produced in the plateau, from which an isolated 95-attosecond pulse is generated. In contrast to the cutoff which declines sharply, the plateau shows almost a constant intensity, indicating a higher yield. Moreover, the plateau covers a very broad bandwidth, thus is preferable to produce an isolated attosecond pulse with a rather short duration.

© 2008 Optical Society of America

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(190.4160) Nonlinear optics : Multiharmonic generation
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: July 9, 2008
Revised Manuscript: September 11, 2008
Manuscript Accepted: October 13, 2008
Published: October 16, 2008

Pengfei Lan, Peixiang Lu, Fang Li, Qianguang Li, Weiyi Hong, Qingbin Zhang, Zhenyu Yang, and Xinbin Wang, "Asymmetric molecular gating for supercontinuous high harmonic generation in the plateau," Opt. Express 16, 17542-17553 (2008)

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