Лаборатория Квантовой Информации

Лаборатория Квантовой Информации
и Квантовой Оптики

Наши публикации

E. V. Moreva, G. A. Maslennikov, S. S. Straupe and S. P. Kulik,
«Realization of Four-Level Qudits Using Biphotons»,
Phys. Rev. Lett., 97(2), 023602 (2006).

The novel experimental realization of four-level optical quantum systems (ququarts) is presented. We exploit the polarization properties of the frequency nondegenerate biphoton field to obtain such systems. A simple method that does not rely on am interferometer is used to generate and measure the sequence of states that can be used in quantum key distribution protocol.

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