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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 13 — Jun. 30, 2014
  • pp: 15975–15981

Spatially and spectrally resolved quantum-path tracing in high-order harmonic generation

Jiaming Jiang, Pengfei Wei, Zhinan Zeng, Jing Miao, Yinghui Zheng, Xiaochun Ge, Chuang Li, Ruxin Li, and Zhizhan Xu  »View Author Affiliations

Optics Express, Vol. 22, Issue 13, pp. 15975-15981 (2014)

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We experimentally demonstrate the macroscopic evolution of quantum-path distributions in harmonic emission with spatial and spectral resolution from an argon gas jet, and obviously observe that the spatial profiles of harmonics are gradually split into two components (the red and blue shifts) when the driving laser intensity is increased. Moreover, the red and blue shifts in quantum-path distributions are experimentally traced and clarified in the spatial and spectral domain by choosing the focal position. These results give a more comprehensive understanding and therefore a better control of harmonic emission.

© 2014 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(020.2649) Atomic and molecular physics : Strong field laser physics

ToC Category:
Ultrafast Optics

Original Manuscript: May 8, 2014
Revised Manuscript: June 12, 2014
Manuscript Accepted: June 17, 2014
Published: June 20, 2014

Jiaming Jiang, Pengfei Wei, Zhinan Zeng, Jing Miao, Yinghui Zheng, Xiaochun Ge, Chuang Li, Ruxin Li, and Zhizhan Xu, "Spatially and spectrally resolved quantum-path tracing in high-order harmonic generation," Opt. Express 22, 15975-15981 (2014)

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