Quantum Logic with Cavity Photons from Single Atoms

Annemarie Holleczek; Oliver Barter; Allison S Rubenok; Jerome Dilley; Peter B R Nisbet-Jones; Gunnar  Langfahl-Klabes; Graham David Marshall; Chris J Sparrow; Jeremy L O'Brien; Kostas Poulios; Axel Kuhn; Jonathan C F Matthews

doi:10.1103/PhysRevLett.117.023602

Quantum Logic with Cavity Photons from Single Atoms

Annemarie Holleczek, Oliver Barter, Allison S Rubenok, Jerome Dilley, Peter B R Nisbet-Jones, Gunnar Langfahl-Klabes, Graham David Marshall, Chris J Sparrow, Jeremy L O'Brien, Kostas Poulios, Axel Kuhn^*, Jonathan C F Matthews

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

We demonstrate quantum logic using narrow linewidth photons that are produced with an a priori nonprobabilistic scheme from a single Rb87 atom strongly coupled to a high-finesse cavity. We use a controlled-not gate integrated into a photonic chip to entangle these photons, and we observe nonclassical correlations between photon detection events separated by periods exceeding the travel time across the chip by 3 orders of magnitude. This enables quantum technology that will use the properties of both narrow-band single photon sources and integrated quantum photonics.

Original language	English
Article number	023602
Number of pages	5
Journal	Physical Review Letters
Volume	117
Issue number	2
Early online date	8 Jul 2016
DOIs	https://doi.org/10.1103/PhysRevLett.117.023602
Publication status	Published - 8 Jul 2016

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QETLabs
Bristol Quantum Information Institute

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10.1103/PhysRevLett.117.023602

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title = "Quantum Logic with Cavity Photons from Single Atoms",

abstract = "We demonstrate quantum logic using narrow linewidth photons that are produced with an a priori nonprobabilistic scheme from a single Rb87 atom strongly coupled to a high-finesse cavity. We use a controlled-not gate integrated into a photonic chip to entangle these photons, and we observe nonclassical correlations between photon detection events separated by periods exceeding the travel time across the chip by 3 orders of magnitude. This enables quantum technology that will use the properties of both narrow-band single photon sources and integrated quantum photonics.",

author = "Annemarie Holleczek and Oliver Barter and Rubenok, {Allison S} and Jerome Dilley and Nisbet-Jones, {Peter B R} and Gunnar Langfahl-Klabes and Marshall, {Graham David} and Sparrow, {Chris J} and O'Brien, {Jeremy L} and Kostas Poulios and Axel Kuhn and Matthews, {Jonathan C F}",

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AU - Holleczek, Annemarie

AU - Barter, Oliver

AU - Rubenok, Allison S

AU - Dilley, Jerome

AU - Nisbet-Jones, Peter B R

AU - Langfahl-Klabes, Gunnar

AU - Marshall, Graham David

AU - Sparrow, Chris J

AU - O'Brien, Jeremy L

AU - Poulios, Kostas

AU - Kuhn, Axel

AU - Matthews, Jonathan C F

PY - 2016/7/8

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N2 - We demonstrate quantum logic using narrow linewidth photons that are produced with an a priori nonprobabilistic scheme from a single Rb87 atom strongly coupled to a high-finesse cavity. We use a controlled-not gate integrated into a photonic chip to entangle these photons, and we observe nonclassical correlations between photon detection events separated by periods exceeding the travel time across the chip by 3 orders of magnitude. This enables quantum technology that will use the properties of both narrow-band single photon sources and integrated quantum photonics.

AB - We demonstrate quantum logic using narrow linewidth photons that are produced with an a priori nonprobabilistic scheme from a single Rb87 atom strongly coupled to a high-finesse cavity. We use a controlled-not gate integrated into a photonic chip to entangle these photons, and we observe nonclassical correlations between photon detection events separated by periods exceeding the travel time across the chip by 3 orders of magnitude. This enables quantum technology that will use the properties of both narrow-band single photon sources and integrated quantum photonics.

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DO - 10.1103/PhysRevLett.117.023602

M3 - Article (Academic Journal)

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VL - 117

JO - Physical Review Letters

JF - Physical Review Letters

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Quantum Logic with Cavity Photons from Single Atoms

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Practical Photonic Quantum-Enhanced Sensors

Programme Grant: Engineering Photonic Quantum Technologies.

Quantum Optics for Integrated Photonic Technologies

Professor Jonathan C F Matthews

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Quantum Logic with Cavity Photons from Single Atoms

Abstract

Structured keywords

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Projects

Practical Photonic Quantum-Enhanced Sensors

Programme Grant: Engineering Photonic Quantum Technologies.

Quantum Optics for Integrated Photonic Technologies

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Professor Jonathan C F Matthews

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