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Proceedings Paper

Quantum gates using the orbital angular momentum of photons
Author(s): G. F. Calvo; A. Picon; E. Bagan
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Paper Abstract

A quantum field theory approach is presented to show that paraxial photons of any frequency in the full electromagnetic spectrum may posses arbitrary values of the orbital angular momentum along their propagation direction. Our framework also enables to propose multi-dimensional geometric quantum gates exploiting the orbital angular momentum of photons. The action of these gates is shown to be describable in a remarkably compact form by resorting to the Wigner representation.

Paper Details

Date Published: 4 August 2005
PDF: 12 pages
Proc. SPIE 5866, The Nature of Light: What Is a Photon?, (4 August 2005); doi: 10.1117/12.623798
Show Author Affiliations
G. F. Calvo, Univ. Autonoma de Barcelona (Spain)
A. Picon, Univ. Autonoma de Barcelona (Spain)
E. Bagan, Univ. Autonoma de Barcelona (Spain)

Published in SPIE Proceedings Vol. 5866:
The Nature of Light: What Is a Photon?
Chandrasekhar Roychoudhuri; Katherine Creath, Editor(s)

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