Some Properties and Applications of Biphoton States of Three-Mode Lightстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Statistical properties, generation, and applications of three-mode biphoton fields with no more than one photon in each mode are discussed. Such field states have sub-Poissonian photon statistics and can be squeezed and entangled. The modes that simultaneously exhibit these properties in measurements are indicated. Two setups for generating such states via spontaneous parametric down-conversion are described. It is shown that the field states discussed in this study provide a quantum channel for teleportation, dense coding, and quantum key distribution.