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Generation and confirmation of a (100 × 100)-dimensional entangled quantum system

Krenn, Mario ; Huber, Marcus ; Fickler, Robert ; Lapkiewicz, Radek ; Ramelow, Sven ; Zeilinger, Anton

Proceedings of the National Academy of Sciences - PNAS, 2014-04, Vol.111 (17), p.6243-6247 [Periódico revisado por pares]

United States: National Academy of Sciences

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  • Título:
    Generation and confirmation of a (100 × 100)-dimensional entangled quantum system
  • Autor: Krenn, Mario ; Huber, Marcus ; Fickler, Robert ; Lapkiewicz, Radek ; Ramelow, Sven ; Zeilinger, Anton
  • Assuntos: Correlation analysis ; Correlations ; Dimensionality ; Hilbert spaces ; Information processing ; Photonics ; Photons ; Physical Sciences ; Quantum cryptography ; Quantum entanglement ; Quantum numbers ; Quantum physics ; Quantum states ; Tomography
  • É parte de: Proceedings of the National Academy of Sciences - PNAS, 2014-04, Vol.111 (17), p.6243-6247
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    Author contributions: M.K. and A.Z. designed research; M.K. and R.F. performed research; M.H. contributed new reagents/analytic tools; M.K., M.H., R.F., R.L., S.R., and A.Z. analyzed data; and M.K., M.H., R.F., R.L., S.R., and A.Z. wrote the paper.
    Contributed by Anton Zeilinger, February 24, 2014 (sent for review December 15, 2013)
    2Present address: School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853.
  • Descrição: Entangled quantum systems have properties that have fundamentally overthrown the classical worldview. Increasing the complexity of entangled states by expanding their dimensionality allows the implementation of novel fundamental tests of nature, and moreover also enables genuinely new protocols for quantum information processing. Here we present the creation of a (100 × 100)-dimensional entangled quantum system, using spatial modes of photons. For its verification we develop a novel nonlinear criterion which infers entanglement dimensionality of a global state by using only information about its subspace correlations. This allows very practical experimental implementation as well as highly efficient extraction of entanglement dimensionality information. Applications in quantum cryptography and other protocols are very promising.
  • Editor: United States: National Academy of Sciences
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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