| Macroscopic pure state of light free of polarization noise. | |
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MedLine Citation:
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PMID: 21469861 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The preparation of completely nonpolarized light is seemingly easy; an everyday example is sunlight. The task is much more difficult if light has to be in a pure quantum state, as required by most quantum-technology applications. The pure quantum states of light obtained so far are either polarized or, in rare cases, manifest hidden polarization; even if their intensities are invariant to polarization transformations, higher-order moments are not. We experimentally demonstrate the preparation of the macroscopic singlet Bell state, which is pure, is completely nonpolarized, and has no polarization noise. Simultaneous fluctuation suppression in three Stokes observables below the shot-noise limit is demonstrated, opening perspectives for noiseless polarization measurements. The state is shown to be invariant to polarization transformations. This robust highly entangled isotropic state promises to fuel important applications in photonic quantum technologies. |
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Authors:
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Timur Sh Iskhakov; Maria V Chekhova; Georgy O Rytikov; Gerd Leuchs |
Publication Detail:
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Type: Journal Article Date: 2011-03-16 |
Journal Detail:
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Title: Physical review letters Volume: 106 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-04-07 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 113602 Citation Subset: IM |
Affiliation:
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Max Planck Institute for the Science of Light, Günther-Scharowsky-Straße 1/Bau 24, 91058 Erlangen, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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