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Compressed sensing of twisted photons

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 10 Jun 2019Embargo end date: 01 Jan 2018 Spain English Publisher:Optica Publishing GroupJournal:Optics Express, volume 27, page 17,426 (eissn: 1094-4087,

Authors: Frédéric Bouchard; Dominik Koutný; Felix Hufnagel; Zdeněk Hradil; Jaroslav Řeháček; Yong-Siah Teo; Daekun Ahn; +4 Authors

doi: 10.1364/oe.27.017426 , 10.48550/arxiv.1812.04127

pmid: 31252702

arXiv: http://arxiv.org/abs/1812.04127

handle: 20.500.14352/13625 , 21.11116/0000-0006-C111-C , 21.11116/0000-0006-C113-A

Compressed sensing of twisted photons

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Abstract

The ability to completely characterize the state of a quantum system is an essential element for the emerging quantum technologies. Here, we present a compressed-sensing inspired method to ascertain any rank-deficient qudit state, which we experimentally encode in photonic orbital angular momentum. We efficiently reconstruct these qudit states from a few scans with an intensified CCD camera. Since it requires only a few intensity measurements, our technique would provide an easy and accurate way to identify quantum sources, channels, and systems.

4 pages. Comments welcome

Country

Spain

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University of Ottawa
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Palacký University, Olomouc
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Max Planck Institute for the Science of Light
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Max Planck Society
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Complutense University of Madrid
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Keywords

Quantum Physics, FOS: Physical sciences, 535, Quantum, Phase, photons, Óptica (Física), vorteces, Optica, Q-sort, Quantum Physics (quant-ph), compressed sensing, 2209.19 Óptica Física, Óptica

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