Orbital angular momentum spectrum of Bessel-Gaussian modes, as generated by spontaneous parametric down-conversion
Optics
2012-01-09 v1 Quantum Physics
Abstract
The Bessel-Gaussian modal spectrum, generated in spontaneous parametric down-conversion of a Gaussian pump beam, is considered. This is done by first deriving a general expression for the true probability of detecting specific transverse spatial modes for the pairs of photons generated in a spontaneous parametric down-conversion process. These expressions are applied for Bessel-Gaussian modes in type I phase matching with collinear, degenerate down-converted beams. The result shows that a broad orbital angular momentum spectrum can be obtained for Bessel-Gaussian modes under certain conditions.
Cite
@article{arxiv.1201.1372,
title = {Orbital angular momentum spectrum of Bessel-Gaussian modes, as generated by spontaneous parametric down-conversion},
author = {Filippus S. Roux},
journal= {arXiv preprint arXiv:1201.1372},
year = {2012}
}
Comments
11 pages, 4 figures