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  Quantum metrology at the limit with extremal Majorana constellations

Bouchard, F., de la Hoz, P., Bjork, G., Boyd, R. W., Grassl, M., Hradil, Z., et al. (2017). Quantum metrology at the limit with extremal Majorana constellations. Optica, 4(11), 1429-1432. doi:10.1364/OPTICA.4.001429.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-DF3A-F Version Permalink: https://hdl.handle.net/21.11116/0000-0008-D925-A
Genre: Journal Article

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 Creators:
Bouchard, F.1, Author
de la Hoz, P.1, Author
Bjork, G.1, Author
Boyd, R. W.1, Author
Grassl, Markus2, Author           
Hradil, Z.1, Author
Karimi, E.1, Author
Klimov, A. B.1, Author
Leuchs, Gerd3, Author           
Rehacek, J.1, Author
Sanchez-Soto, Luis2, Author           
Affiliations:
1external, ou_persistent22              
2Quantumness, Tomography, Entanglement, and Codes, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364709              
3Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364698              

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Free keywords: Quantum Physics, quant-ph
 Abstract: Quantum metrology allows for a tremendous boost in the accuracy of measurement of diverse physical parameters. The estimation of a rotation
constitutes a remarkable example of this quantum-enhanced precision. The recently introduced Kings of Quantumness are especially germane for this task
when the rotation axis is unknown, as they have a sensitivity independent of that axis and they achieve a Heisenberg-limit scaling. Here, we report the
experimental realization of these states by generating up to 21-dimensional orbital angular momentum states of single photons, and confirm their high metrological abilities.

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Language(s): eng - English
 Dates: 2017-10-022017-06-302017-10-212017-11-17
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 1612.06804
DOI: 10.1364/OPTICA.4.001429
URI: http://arxiv.org/abs/1612.06804
 Degree: -

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Title: Optica
  Abbreviation : Optica
Source Genre: Journal
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Publ. Info: Washington, DC, United States : The Optical Society
Pages: 4 Volume / Issue: 4 (11) Sequence Number: - Start / End Page: 1429 - 1432 Identifier: ISSN: 2334-2536
CoNE: https://pure.mpg.de/cone/journals/resource/2334-2536