Angular two-photon interference and angular two-qubit states

Jha, Anand Kumar and Leach, Jonathan and Jack, Barry and Franke-Arnold, Sonja and Barnett, Stephen M. and Boyd, Robert W. and Padgett, Miles J. (2010) Angular two-photon interference and angular two-qubit states. Physical Review Letters, 104 (1). 010501. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.104.010501)

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Abstract

Using angular-position-orbital-angular-momentum entangled photons, we study angular two-photon interference in a scheme in which entangled photons are made to pass through apertures in the form of double angular slits, and using this scheme, we demonstrate an entangled two-qubit state that is based on the angular-position correlations of entangled photons. The entanglement of the two-qubit state is quantified in terms of concurrence. These results provide an additional means for preparing entangled quantum states for use in quantum information protocols.

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• Item metadata

  Item type:	Article
  ID code:	26630
  Dates:	Date Event 2010 Published
  Subjects:	Science > Physics
  Department:	Faculty of Science > Physics
  Depositing user:	Users 1261 not found.
  Date deposited:	09 Aug 2010 12:03
  Last modified:	01 May 2025 20:32
  Related URLs:	Scopus publication Journal or Publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/26630