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51043 |
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|a Simon, Jonathan
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|a Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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|a Massachusetts Institute of Technology. Department of Physics
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|a Massachusetts Institute of Technology. Research Laboratory of Electronics
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|a Vuletic, Vladan
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|a Tanji, Haruka
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|a Vuletic, Vladan
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|a Bloom, Benjamin
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|a Simon, Jonathan
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|a Ghosh, Saikat
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|a Ghosh, Saikat
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|a Vuletic, Vladan
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|a Bloom, Benjamin
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|a Tanji, Haruka
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|a Heralded Single-Magnon Quantum Memory for Photon Polarization States
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|b American Physical Society,
|c 2010-01-29T19:50:31Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/51043
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|a We demonstrate a heralded quantum memory where a photon announces the mapping of a light polarization state onto a single collective-spin excitation (magnon) shared between two atomic ensembles. The magnon can be converted at a later time into a single polarized photon with polarization fidelity over 90(2)% for all fiducial input states, well above the classical limit of 2/3. The process can be viewed as a nondestructive quantum probe where a photon is detected, stored, and regenerated without touching its-potentially undetermined-polarization.
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|a National Science Foundation
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|a DARPA
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|a en_US
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|a Article
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|t Physical Review Letters
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