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Conditioned Unitary Transformation on biphotons
G. Brida, M. Chekhova, M. Genovese +3
A conditioned unitary transformation ( polarization rotation) is performed at single-photon level. The transformation is realized by rotating polarization for one of the phot…
Orthogonality of Biphoton Polarization States
M. V. Chekhova, L. A. Krivitsky, S. P. Kulik +1
Orthogonality of two-photon polarization states belonging to a single frequency and spatial mode is demonstrated experimentally, in a generalization of the well-known anti-correlat…
Practical Realization of the Quantum Cryptography Protocol Exploiting Polarization Encoding in the Qutrits
G. A. Maslennikov, A. A. Zhukov, M. V. Chekhova +1
We propose and discuss a specific scheme allowing to realize a Quantum Cryptography qutrit protocol. This protocol exploits the polarization properties of single frequency and sing…