Spatial Schmidt modes generated in parametric down-conversion

F. M. Miatto, H. Di Lorenzo Pires, S. M. Barnett, M. P. van Exter

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

This paper presents the general spatial Schmidt decomposition of two-photon fields generated in spontaneous parametric down-conversion (SPDC). It discusses in particular the separation of the radial and azimuthal degrees of freedom, the role of projection in modal analysis, and the benefits of collinear phase mismatch. The paper is written in a review style and presents a wealth of numerical results. It aims at emphasising the physics beyond the mathematics, through discussions and graphical representations of key results. The two main conclusions of the paper are the finding of a better law to describe the effective dimensionality of the spatial part of the total Hilbert space and a possible novel feature of the radial Schmidt modes.

Original languageEnglish
Article number263
Number of pages11
JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Volume66
Issue number10
DOIs
Publication statusPublished - Oct 2012

Keywords

  • high dimensional quantum entanglement
  • nonlinear dynamics
  • optical physics
  • plasma physics

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