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Proceedings Paper

Single-beam biphotons: polarization properties and propagation in fibers
Author(s): Maria V Chekhova
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Paper Abstract

Most protocols of quantum information transmission are based on qubits, or two-level quantum systems. However, in certain cases, it is reasonable to use quantum systems of higher dimensionality, such as, for instance, qutrits - three-level systems. In the present paper, it is shown that single-mode entangled pairs of polarized photons (biphotons) can be used for this purpose. Polarization state of a single-mode biphoton is considered and its representation on the Poincare sphere is suggested. An orthogonality criterion for two biphotons in arbitrary polarization states is formulated. Experiments on polarization transformations of biphotons are described. Finally, propagation of biphotons through fibres is considered.

Paper Details

Date Published: 3 February 2004
PDF: 10 pages
Proc. SPIE 5161, Quantum Communications and Quantum Imaging, (3 February 2004); doi: 10.1117/12.505166
Show Author Affiliations
Maria V Chekhova, M.V. Lomonosov Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 5161:
Quantum Communications and Quantum Imaging
Ronald E. Meyers; Yanhua Shih, Editor(s)

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