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Anti-Hong-Ou-Mandel interference by coherent perfect absorption of entangled photons

Anti-Hong-Ou-Mandel interference by coherent perfect absorption of entangled photons
Anti-Hong-Ou-Mandel interference by coherent perfect absorption of entangled photons
Two-photon interference, known as the Hong-Ou-Mandel effect, has colossal implications for quantum technology. It was observed in 1987 with two photodetectors monitoring outputs of the beamsplitter illuminated by photon pairs: the coincidence rate of the detectors drops to zero when detected photons overlap in time. More broadly, bosons (e.g., photons) coalesce while fermions
(e.g., electrons) anti-coalesce when interfering on a lossless beamsplitter. Quantum interference of bosons and fermions can be tested in a single – photonics platform, where bosonic and fermionic states are artificially created as pairs of entangled photons with symmetric and anti-symmetric spatial wavefunctions. We observed that interference on a lossy beamsplitter, or a subwavelength coherent absorber reverses quantum interference in such a way that bosonic states anti-coalesce while fermionic states exhibit coalescent-like behavior. The ability to generate states of light with different statistics and manipulate their interference offers important opportunities for quantum
information and metrology.
1367-2630
1-12
Vetlugin, Anton N.
05ccabe8-e013-40b9-85a0-be64cd0ff740
Guo, Ruixiang
b18d02e1-04c3-42c4-830d-7a0c3d2cd33e
Soci, Cesare
6c86324e-2968-4e90-9436-4a92a4b26cec
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6
(CDPT), Centre
b18d02e1-04c3-42c4-830d-7a0c3d2cd33e
Vetlugin, Anton N.
05ccabe8-e013-40b9-85a0-be64cd0ff740
Guo, Ruixiang
b18d02e1-04c3-42c4-830d-7a0c3d2cd33e
Soci, Cesare
6c86324e-2968-4e90-9436-4a92a4b26cec
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6
(CDPT), Centre
b18d02e1-04c3-42c4-830d-7a0c3d2cd33e

Vetlugin, Anton N., Guo, Ruixiang, Soci, Cesare, Zheludev, Nikolai and (CDPT), Centre (2022) Anti-Hong-Ou-Mandel interference by coherent perfect absorption of entangled photons. New Journal of Physics, 24, 1-12, [122001]. (doi:10.1088/1367-2630/ac9fe9).

Record type: Article

Abstract

Two-photon interference, known as the Hong-Ou-Mandel effect, has colossal implications for quantum technology. It was observed in 1987 with two photodetectors monitoring outputs of the beamsplitter illuminated by photon pairs: the coincidence rate of the detectors drops to zero when detected photons overlap in time. More broadly, bosons (e.g., photons) coalesce while fermions
(e.g., electrons) anti-coalesce when interfering on a lossless beamsplitter. Quantum interference of bosons and fermions can be tested in a single – photonics platform, where bosonic and fermionic states are artificially created as pairs of entangled photons with symmetric and anti-symmetric spatial wavefunctions. We observed that interference on a lossy beamsplitter, or a subwavelength coherent absorber reverses quantum interference in such a way that bosonic states anti-coalesce while fermionic states exhibit coalescent-like behavior. The ability to generate states of light with different statistics and manipulate their interference offers important opportunities for quantum
information and metrology.

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Accepted/In Press date: 3 November 2022
Published date: 7 December 2022

Identifiers

Local EPrints ID: 473208
URI: http://eprints.soton.ac.uk/id/eprint/473208
ISSN: 1367-2630
PURE UUID: 34f07cbd-0290-491b-b2a2-663429c04e84
ORCID for Nikolai Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 12 Jan 2023 17:56
Last modified: 12 Jun 2024 01:33

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Contributors

Author: Anton N. Vetlugin
Author: Ruixiang Guo
Author: Cesare Soci
Author: Centre (CDPT)

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