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Conferences > QELS > 2003 > QTuG > QTuG10
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
  • Technical Digest (Optica Publishing Group, 2003),
  • paper QTuG10

The operational criterion of the orthogonality of single-mode biphotons.

M.V. Chekhova, S.P. Kulik, G.A. Maslennikov, and A.A. Zhukov

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Abstract

We present an operational criterion for polarization orthogonality of single-mode biphoton field, which allows us to experimentally distinguish one state from the variety of orthogonal ones. Such a criterion can be applied to the realization of the three-state quantum cryptography protocols. The experimental verification of the criterion leads to the observation of the anticorrelation effect for the orthogonal biphotons in arbitrary polarization states.

© 2003 Optical Society of America

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