Down-conversion

We (Wojtek Wasilewski and me) investigate spontaneous parametric fluorescence of a nonlinear crystal pumped by a monochromatic Gaussian beam.

Interactive panels

• A calculator of the mode parameters (read [1]). Give the parameters of your $\beta-$BBO crystal and get the optimal pump beam waist, as well as the seed shape:
  downconversion3d_mode_calculator.nbp
• Intensity transmission of Hermite-Gaussian modes through a slit aperture:
  hg_modes_slit_transmission.nbp

Files can be opened by a free Wolfram Mathematica Player.

Links

• Ultrafast Phenomena Lab, Institute of Experimental Physics, University of Warsaw
• Wojtek Wasilewski homepage

Related papers

1. P. Migdał, W. Wasilewski, Noise reduction in 3D noncollinear parametric amplifier sent to Applied Physics B (2009) arXiv:0908.2207