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Proceedings Article

Quantum gates using the orbital angular momentum of photons

[+] Author Affiliations
G. F. Calvo, A. Picon, E. Bagan

Univ. Autonoma de Barcelona (Spain)

Proc. SPIE 5866, The Nature of Light: What Is a Photon?, 72 (August 04, 2005); doi:10.1117/12.623798
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From Conference Volume 5866

  • The Nature of Light: What Is a Photon?
  • Chandrasekhar Roychoudhuri; Katherine Creath
  • San Diego, California, United States | July 31, 2005

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.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Topics

Photons
Citation

G. F. Calvo ; A. Picon and E. Bagan
"Quantum gates using the orbital angular momentum of photons", Proc. SPIE 5866, The Nature of Light: What Is a Photon?, 72 (August 04, 2005); doi:10.1117/12.623798; http://dx.doi.org/10.1117/12.623798


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