Storage and retrieval of single photons transmitted between remote quantum memories

Article Abstract:

A quantum network, consisting of quantum nodes and interconnecting channels could be used for distributed computing or for the secure sharing of information through a single photon excitation to a remote quantum memory node. The study reports the generation, transmission, storage and retrieval of single quanta using two remote atomic ensembles, which serve as quantum memory elements.

Usage, Electromagnetic fields, Quantum theory, Quantum mechanics, Information management, Information accessibility

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Photon blockade in an optical cavity with one trapped atom

Article Abstract:

Photon blockade for the light transmitted by an optical cavity containing one trapped atom in the regime of strong atom cavity coupling are reported. The observations of photon blockade represents an advance over traditional nonlinear optics and laser physics into a regime with dynamical processes involving atom and photons taken one by one.

Semiconductors and related devices, Semiconductor Devices, Semiconductor and Related Device Manufacturing, Semiconductor device, Optical properties, Electronic structure, Atomic structure, Atomic properties

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Generation of nonclassical photon pairs for scalable quantum communication with atomic ensembles

Article Abstract:

The authors have investigated quantum correlations for photon pairs generated in collective emission from the atomic ensemble. The authors report that their experiments differ from the previous ones in that the correlated photons have been separated by the programmable time interval.

Research and Development in the Physical, Engineering, and Life Sciences, Physics, Atoms, Quantum chemistry, Properties, Emission spectra

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