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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 23 — Aug. 10, 2007
  • pp: 5698–5702

Frequency conversion of femtosecond laser pulses in an engineered aperiodic poled optical superlattice

Yan Kong, Xianfeng Chen, and Yuxing Xia  »View Author Affiliations

Applied Optics, Vol. 46, Issue 23, pp. 5698-5702 (2007)

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We theoretically propose a procedure based on a cascading genetic algorithm for the design of aperiodically quasi-phase-matched gratings for frequency conversion of optical ultrafast pulses during difference-frequency generation. By designing the sequence of a domain inversion grating, different wavelengths at the output idler pulse almost have the same phase response, so femtosecond laser pulses at wavelength 800   nm can be shifted to other wavelengths without group-velocity mismatch.

© 2007 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(320.0320) Ultrafast optics : Ultrafast optics
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Ultrafast Optics

Original Manuscript: March 28, 2007
Revised Manuscript: May 14, 2007
Manuscript Accepted: May 15, 2007
Published: August 8, 2007

Yan Kong, Xianfeng Chen, and Yuxing Xia, "Frequency conversion of femtosecond laser pulses in an engineered aperiodic poled optical superlattice," Appl. Opt. 46, 5698-5702 (2007)

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  1. S. Ashihara, T. Shimura, and K. Kuroda, "Group-velocity matched second-harmonic generation in tilted quasi-phase-matched gratings," J. Opt. Soc. Am. B 20, 853-856 (2003). [CrossRef]
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