Transverse-Mode Entanglement of Four Photons

W. Löffler; M. J. A. de Dood; B. C. Hiesmayr

doi:10.1364/QIM.2014.QW4A.4

Research in Optical Sciences
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper QW4A.4
•https://doi.org/10.1364/QIM.2014.QW4A.4

Transverse-Mode Entanglement of Four Photons

W. Löffler, M. J. A. de Dood, and B. C. Hiesmayr

Quantum Information and Measurement 2014

Messe Berlin, Berlin Germany
18–20 March 2014
ISBN: 978-1-55752-995-4

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Photonics III & QKD II (QW4A)

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W. Löffler, M. J. A. de Dood, and B. C. Hiesmayr, "Transverse-Mode Entanglement of Four Photons," in Research in Optical Sciences , OSA Technical Digest (online) (Optica Publishing Group, 2014), paper QW4A.4.

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Abstract

We show first experimental evidence of quantum entanglement of 4 photons in their spatial degrees of freedom. The photons are produced by high-gain parametric downconversion and are analyzed with spatial light modulators.

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