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Azimuthal entanglement and multimode schmidt decompositions for noncollinear biphotons

  • Proceedings of the XII International Readings on Quantum Optics (Moscow–Troitsk, August 11–16, 2015)
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Noncollinear biphoton states are found to possess a very high degree of azimuthal entanglement with typical values of ~104 for Schmidt parameter K (the ratio of the pump wavelength to its waist). A scheme that provides conditions for Schmidt-type mode separation and multichannel Schmidt-type decomposition is proposed for the partial use of this enormous high-entanglement resource.

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Authors and Affiliations

  1. Prokhorov General Physics Institute, Moscow, 119991, Russia

    M. V. Fedorov

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  1. M. V. Fedorov
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Correspondence to M. V. Fedorov.

Additional information

Original Russian Text © M.V. Fedorov, 2016, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2016, Vol. 80, No. 7, pp. 830–834.

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Fedorov, M.V. Azimuthal entanglement and multimode schmidt decompositions for noncollinear biphotons. Bull. Russ. Acad. Sci. Phys. 80, 755–759 (2016). https://doi.org/10.3103/S1062873816070091

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  • DOI: https://doi.org/10.3103/S1062873816070091

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