31 Quantum Interface Between Light and Atomic Ensembles
Eugene S. Polzik1 and Jaromír Fiurášek2
1 University of Copenhagen, Niels Bohr Institute, Blegdamsvej 17, Building: Ta2b, 2100 Copenhagen, Denmark
2 Palacky University Olomouc, Department of Optics, 17. listopadu 12, 77146 Olomouc, Czech Republic
31.1 Introduction
Light–atoms quantum interface is an important component of a quantum network. Whereas light is a natural long‐distance information carrier, it is difficult to keep information encoded in light for an extended period of time due to decoherence associated with its propagation. In the best‐case scenario, light at an optimal telecom wavelength propagating in a fiber loses half of its photons in 100 µs. Longer storage ...
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