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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 2 — Jan. 15, 2009
  • pp: 166–168

Nonlinear X-shaped waves by second-harmonic generation with collimated femtosecond pulses

Wenqi Lei, Jian Wu, Hua Cai, and Heping Zeng  »View Author Affiliations


Optics Letters, Vol. 34, Issue 2, pp. 166-168 (2009)
http://dx.doi.org/10.1364/OL.34.000166


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Abstract

Nonlinear X-shaped angle-wavelength spectrum of the generated second-harmonic wave is observed for a collimated femtosecond pulse of a large beam waist, where the spatiotemporal balance is originated from mutual coupling of the effective nonlinear Kerr effects, pulse frequency chirp, and negative phase shift from cascaded quadratic processes with appropriate phase mismatch.

© 2009 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.3270) Nonlinear optics : Kerr effect
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7120) Ultrafast optics : Ultrafast phenomena

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 11, 2008
Revised Manuscript: November 22, 2008
Manuscript Accepted: November 28, 2008
Published: January 13, 2009

Citation
Wenqi Lei, Jian Wu, Hua Cai, and Heping Zeng, "Nonlinear X-shaped waves by second-harmonic generation with collimated femtosecond pulses," Opt. Lett. 34, 166-168 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-2-166

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