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Shor, Peter W. |
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Title |
Quantum information theory: The bits don't add up |
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2009 |
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Nature Physics |
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Nat. Phys. |
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5 |
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247 - 248 |
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fromIPMRAS |
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A counterexample to the 'additivity question', the most celebrated open problem in the mathematical theory of quantum information, casts doubt on the possibility of finding a simple expression for the information capacity of a quantum channel. |
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800 |
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Author |
Schmidt, Markus A. |
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Title |
Integration: Fibres embrace optoelectronics |
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Journal Article |
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2012 |
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Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
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6 |
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3 |
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143-145 |
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fromIPMRAS |
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The demonstration of an in-fibre semiconductor photodetector with gigahertz bandwidth bodes well for the future development of hybrid fibre optoelectronics. |
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RPLAB @ gujma @ |
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789 |
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Saunders, D. J.; Jones, S. J.; Wiseman, H. M.; Pryde, G. J. |
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Title |
Experimental EPR-steering using Bell-local states |
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Journal Article |
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2010 |
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Nat. Phys. |
Abbreviated Journal |
Nat. Phys. |
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6 |
Issue |
11 |
Pages |
845-849 |
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The concept of `steering' was introduced in 1935 by Schrödinger as a generalization of the EPR (Einstein-Podolsky-Rosen) paradox. It has recently been formalized as a quantum-information task with arbitrary bipartite states and measurements, for which the existence of entanglement is necessary but not sufficient. Previous experiments in this area have been restricted to an approach that followed the original EPR argument in considering only two different measurement settings per side. Here we demonstrate experimentally that EPR-steering occurs for mixed entangled states that are Bell local (that is, that cannot possibly demonstrate Bell non-locality). Unlike the case of Bell inequalities, increasing the number of measurement settings beyond two-we use up to six-significantly increases the robustness of the EPR-steering phenomenon to noise. |
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808 |
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Santori, Charles; Beausoleil, Raymond G. |
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Quantum memory: Phonons in diamond crystals |
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2012 |
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Nature Photonics |
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Nat. Photon. |
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6 |
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10-12 |
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The demonstration that quantum information can be stored in a bulk-diamond crystal in the form of an optically excited phonon gives researchers a new type of mechanical solid-state quantum memory to explore. |
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781 |
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Author |
Saffman, Mark |
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Title |
Quantum computing: A quantum telecom link |
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2010 |
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Nature Physics |
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Nat. Phys. |
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6 |
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11 |
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838-839 |
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Converting data-carrying photons to telecommunication wavelengths enables distribution of quantum information over long distances. |
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RPLAB @ gujma @ |
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833 |
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