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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 16, Iss. 10 — Oct. 1, 1999
  • pp: 1801–1813

Numerical treatment of UV-pumped, white-light-seeded single-pass noncollinear parametric amplifiers

Stefan Reisner and Michael Gutmann  »View Author Affiliations


JOSA B, Vol. 16, Issue 10, pp. 1801-1813 (1999)
http://dx.doi.org/10.1364/JOSAB.16.001801


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Abstract

A technique for numerically simulating second-order nonlinear interactions of light waves modulated spatially and temporally in both amplitude and phase in a uniaxial medium with arbitrary polarization and propagation directions is presented. A three-dimensional grid technique that automatically adapts grid parameters to the evolving sampled amplitudes by means of an analytical fit function is described. By means of spatiotemporal split-step fast-Fourier-transform propagation, diffraction and group-velocity dispersion can be included. We employ this technique for femtosecond noncollinear white-light-seeded parametric amplification in experimental designs presented earlier [Opt. Lett. <b>22</b>, 1494 (1997); <b>23</b>, 1283 (1998)]. The dependence of phase mismatch on signal wavelength provides a quantitative measure of the achromaticity of phase matching. Our results indicate that the pump pulse characteristics and not phase mismatching limit the amplification and the bandwidth of the parametric amplifier.

© 1999 Optical Society of America

OCIS Codes
(320.1590) Ultrafast optics : Chirping
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

Citation
Stefan Reisner and Michael Gutmann, "Numerical treatment of UV-pumped, white-light-seeded single-pass noncollinear parametric amplifiers," J. Opt. Soc. Am. B 16, 1801-1813 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-10-1801


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