Bounds and optimisation of orbital angular momentum bandwidths within parametric down-conversion systems

F. M. Miatto, D. Giovannini, J. Romero, S. Franke-Arnold, S. M. Barnett, M. J. Padgett

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Abstract

The measurement of high-dimensional entangled states of orbital angular momentum prepared by spontaneous parametric down-conversion can be considered in two separate stages: a generation stage and a detection stage. Given a certain number of generated modes, the number of measured modes is determined by the measurement apparatus. We derive a simple relationship between the generation and detection parameters and the number of measured entangled modes.

Original languageEnglish
Article number178
Pages (from-to)-
Number of pages6
JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Volume66
Issue number7
DOIs
Publication statusPublished - Jul 2012

Keywords

  • orbital angular momentum
  • parametric down-conversion systems

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