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3 February 2004 Single-beam biphotons: polarization properties and propagation in fibers
Maria V Chekhova
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Proceedings Volume 5161, Quantum Communications and Quantum Imaging; (2004) https://doi.org/10.1117/12.505166
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States
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.
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Maria V Chekhova "Single-beam biphotons: polarization properties and propagation in fibers", Proc. SPIE 5161, Quantum Communications and Quantum Imaging, (3 February 2004); https://doi.org/10.1117/12.505166
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KEYWORDS
Polarization
Quantum communications
Quantum information
Optical spheres
Photons
Quantum wells
Seaborgium
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