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Single-Photon Interference over 8.4 km Urban Atmosphere: Toward Testing Quantum Effects in Curved Spacetime with Photons.
Wu, Hui-Nan; Li, Yu-Huai; Li, Bo; You, Xiang; Liu, Run-Ze; Ren, Ji-Gang; Yin, Juan; Lu, Chao-Yang; Cao, Yuan; Peng, Cheng-Zhi; Pan, Jian-Wei.
Afiliación
  • Wu HN; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Li YH; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Li B; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • You X; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Liu RZ; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Ren JG; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Yin J; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Lu CY; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Cao Y; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Peng CZ; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
  • Pan JW; <a href="https://ror.org/01jeedh73">Hefei National Research Center for Physical Sciences at the Microscale</a> and School of Physical Sciences, <a href="https://ror.org/04c4dkn09">University of Science and Technology of China</a>, 230026, Hefei, China; Shanghai Research Cente
Phys Rev Lett ; 133(2): 020201, 2024 Jul 12.
Article en En | MEDLINE | ID: mdl-39073932
ABSTRACT
The emergence of quantum mechanics and general relativity has transformed our understanding of the natural world significantly. However, integrating these two theories presents immense challenges, and their interplay remains untested. Recent theoretical studies suggest that the single-photon interference covering huge space can effectively probe the interface between quantum mechanics and general relativity. We developed an alternative design using unbalanced Michelson interferometers to address this and validated its feasibility over an 8.4 km free-space channel. Using a high-brightness single-photon source based on quantum dots, we demonstrated single-photon interference along this long-distance baseline. We achieved a phase measurement precision of 16.2 mrad, which satisfied the measurement requirements for a gravitational redshift at the geosynchronous orbit by 5 times the standard deviation. Our results confirm the feasibility of the single-photon version of the Colella-Overhauser-Werner experiment for testing the quantum effects in curved spacetime.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos