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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 11 — May. 24, 2010
  • pp: 11664–11670

Molecular high harmonic generation in a two-color field

Pengfei Wei, Candong Liu, Chunmei Zhang, Yansui Huang, Yuxin Leng, Peng Liu, Yinghui Zheng, Zhinan Zeng, Ruxin Li, and Zhizhan Xu  »View Author Affiliations

Optics Express, Vol. 18, Issue 11, pp. 11664-11670 (2010)

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We experimentally investigate the high harmonic generation (HHG) from CH4 molecules and Xe atoms in a two-color field (using the 800nm laser and the tunable laser with the longer wavelength from 1500nm to 1900nm), and observe that the longer wavelength component can destructively suppress the HHG from CH4 molecules. By controlling the time delay between the two color laser pulses or tuning the laser intensity of the longer wavelength component, the suppressions of the HHG from CH4 molecules and the enhancements of the HHG from Xe atoms at the same laser condition are observed. The results indicate that the longer wavelength component around the molecular infrared absorption can suppress the molecular HHG process.

© 2010 OSA

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(020.2649) Atomic and molecular physics : Strong field laser physics

ToC Category:
Atomic and Molecular Physics

Original Manuscript: March 12, 2010
Revised Manuscript: April 29, 2010
Manuscript Accepted: May 15, 2010
Published: May 18, 2010

Pengfei Wei, Candong Liu, Chunmei Zhang, Yansui Huang, Yuxin Leng, Peng Liu, Yinghui Zheng, Zhinan Zeng, Ruxin Li, and Zhizhan Xu, "Molecular high harmonic generation in a two-color field," Opt. Express 18, 11664-11670 (2010)

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