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Quantum Memories Demonstrated

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Hank Hogan

Research teams from Harvard University in Cambridge, Mass., and from Georgia Institute of Technology in Atlanta have independently developed quantum memories, clouds of atoms that store single photons and allow them to be retrieved on demand. The groups connected two such memories via an optical fiber, generated a single photon at one site and transferred that photon to the other. They then retrieved the photon and verified that its quantum properties were preserved after storing it for a time at the second site. Researchers have demonstrated a primitive quantum memory and a simple quantum...Read full article

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    Published: February 2006
    Glossary
    optical fiber
    Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light signals over long distances with minimal loss of signal quality. It serves as a medium for conveying information in the form of light pulses, typically in the realm of telecommunications, networking, and data transmission. The core of an optical fiber is the central region through which light travels. It is surrounded by a cladding layer that has a lower refractive index than...
    Basic ScienceCommunicationsfiber opticsHarvard Universityoptical fiberResearch & Technologysingle photons

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