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Proceedings Paper

Sum-frequency generation in disordered quadratic nonlinear media
Author(s): Fabian Sibbers; Jörg Imbrock; Cornelia Denz
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Paper Abstract

We study the process of sum-frequency generation of femtosecond laser pulses in a strontium barium niobate crystal with a random distribution of ferroelectric domains. The random domain structure allows for broadband quasi-phase matching of wavelengths over the whole visible spectrum. We analyze sum-frequency generation in the wavelength range 460nm - 630 nm, which is emitted on a cone with angles between 30 • and 55 •. We measure the effective angular width of the sum-frequency intensity profile which is related to the spectral pulse width and directly visualizes the spectral pulse broadening due to self-phase modulation.

Paper Details

Date Published: 5 June 2010
PDF: 9 pages
Proc. SPIE 7728, Nonlinear Optics and Applications IV, 77280Y (5 June 2010); doi: 10.1117/12.855885
Show Author Affiliations
Fabian Sibbers, Westfälische Wilhelms-Univ. Münster (Germany)
Jörg Imbrock, Westfälische Wilhelms-Univ. Münster (Germany)
Cornelia Denz, Westfälische Wilhelms-Univ. Münster (Germany)


Published in SPIE Proceedings Vol. 7728:
Nonlinear Optics and Applications IV
Benjamin J. Eggleton; Alexander Luis Gaeta; Neil G. R. Broderick, Editor(s)

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