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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 9, Iss. 4 — Aug. 13, 2001
  • pp: 172–177

Spectral characterization of second harmonic χ (2) cascading phenomena

G. Olivie, J-P. Caumes, S. Cussat Blanc, E. Freysz, and A. Bourgeade  »View Author Affiliations

Optics Express, Vol. 9, Issue 4, pp. 172-177 (2001)

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The second harmonic generation in a thin β-barium borate crystal is used to measure χ(2) cascading phenomena in the spectral domain. The harmonic generation is induced by two pulses produced by spectrally filtering a femtosecond pulse and centered at the wavelength λ-Δλ and λ+Δλ. New spectral components appear in spectral density of both the fundamental and harmonic pulses. High order cascading phenomena are evidenced. In good agreement with theoretical predictions, for large phase mismatch the evolution of the spectra demonstrates the competition between cascaded χ(2) and χ(3) phenomena.

© Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Research Papers

Original Manuscript: July 5, 2001
Published: August 13, 2001

Gilles Olivie, Jean Pascal Caumes, S. Cussat Blanc, Eric Freysz, and Antoine Bourgeade, "Spectral characterization of second harmonic ?(2) cascading phenomena," Opt. Express 9, 172-177 (2001)

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