Sum-frequency generation in disordered quadratic nonlinear media

Fabian Sibbers; Jörg Imbrock; Cornelia Denz

doi:10.1117/12.855885

4 June 2010 Sum-frequency generation in disordered quadratic nonlinear media

Fabian Sibbers, Jörg Imbrock, Cornelia Denz

Proceedings Volume 7728, Nonlinear Optics and Applications IV; 77280Y (2010) https://doi.org/10.1117/12.855885
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

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.

Citation Download Citation

Fabian Sibbers, Jörg Imbrock, and Cornelia Denz "Sum-frequency generation in disordered quadratic nonlinear media", Proc. SPIE 7728, Nonlinear Optics and Applications IV, 77280Y (4 June 2010); https://doi.org/10.1117/12.855885

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