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High-Speed Quantum Memory Retrieves Photons on Demand

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BASEL, Switzerland, Sept. 11, 2017 — A quantum memory that offers relatively fast and simple retrieval could someday be used for building a “quantum internet.” The technology stores photons in a gas of rubidium (RB) atoms and uses a laser to control the storage and retrieval processes. It does not require cooling devices or complicated vacuum equipment and can be implemented in a highly compact setup. The stored photons are suitable for high-speed transfer and can be read out again without significant alteration to their quantum mechanical properties. The quantum memory demonstrated an acceptance bandwidth that...Read full article

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