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Quantum teleportation on a photonic chip

Quantum teleportation on a photonic chip
Quantum teleportation on a photonic chip
Quantum teleportation is a fundamental concept in quantum physics that now finds important applications at the heart of quantum technology, including quantum relays, quantum repeaters and linear optics quantum computing. Photonic implementations have largely focused on achieving long-distance teleportation for decoherence-free quantum communication. Teleportation also plays a vital role in photonic quantum computing for which large linear optical networks will probably require an integrated architecture. Here, we report a fully integrated implementation of quantum teleportation in which all key parts of the circuit - entangled state preparation, Bell-state analysis and tomographic state measurement - are performed on a reconfigurable photonic chip. We also show that a novel element-wise characterization method is critical to the mitigation of component errors, a key technique that will become increasingly important as integrated circuits reach the higher complexities necessary for quantum enhanced operation.
1749-4885
770-774
Metcalf, Benjamin J.
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Spring, Justin B.
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Humphreys, Peter C.
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Thomas-Peter, Nicholas
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Barbieri, Marco
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Kolthammer, W.Steven
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Jin, Xian-Min
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Langford, Nathan K.
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Kundys, Dmytro
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Gates, James C.
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Smith, Brian J.
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Smith, Peter G.R.
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Walmsley, Ian A.
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Metcalf, Benjamin J.
9e0aa2db-b894-43b8-add4-4d31ec09f3af
Spring, Justin B.
daf7635a-8c7f-441a-a1bf-52d04b584806
Humphreys, Peter C.
9c48abe6-ed60-4d1b-b33a-6a774e9921de
Thomas-Peter, Nicholas
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Barbieri, Marco
ed77e1c5-6b04-4b0d-a145-6bfe989556b2
Kolthammer, W.Steven
7f364924-236b-4bc2-88b4-3c2a091cff8f
Jin, Xian-Min
ae468859-d37c-41d5-ab8c-5389aa4d533e
Langford, Nathan K.
083085ed-1d96-4e99-a1d7-93ae584091c7
Kundys, Dmytro
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Gates, James C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, Brian J.
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Smith, Peter G.R.
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Walmsley, Ian A.
c71caeff-d937-48f7-9cb3-16e210bc4947

Metcalf, Benjamin J., Spring, Justin B., Humphreys, Peter C., Thomas-Peter, Nicholas, Barbieri, Marco, Kolthammer, W.Steven, Jin, Xian-Min, Langford, Nathan K., Kundys, Dmytro, Gates, James C., Smith, Brian J., Smith, Peter G.R. and Walmsley, Ian A. (2014) Quantum teleportation on a photonic chip. Nature Photonics, 8, 770-774. (doi:10.1038/nphoton.2014.217).

Record type: Article

Abstract

Quantum teleportation is a fundamental concept in quantum physics that now finds important applications at the heart of quantum technology, including quantum relays, quantum repeaters and linear optics quantum computing. Photonic implementations have largely focused on achieving long-distance teleportation for decoherence-free quantum communication. Teleportation also plays a vital role in photonic quantum computing for which large linear optical networks will probably require an integrated architecture. Here, we report a fully integrated implementation of quantum teleportation in which all key parts of the circuit - entangled state preparation, Bell-state analysis and tomographic state measurement - are performed on a reconfigurable photonic chip. We also show that a novel element-wise characterization method is critical to the mitigation of component errors, a key technique that will become increasingly important as integrated circuits reach the higher complexities necessary for quantum enhanced operation.

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More information

Accepted/In Press date: 15 August 2014
e-pub ahead of print date: 14 September 2014
Published date: October 2014
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 369168
URI: https://eprints.soton.ac.uk/id/eprint/369168
ISSN: 1749-4885
PURE UUID: 11536a38-de94-4e32-9357-0bd73278140f
ORCID for James C. Gates: ORCID iD orcid.org/0000-0001-8671-5987

Catalogue record

Date deposited: 25 Sep 2014 12:33
Last modified: 07 Aug 2019 00:46

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Contributors

Author: Benjamin J. Metcalf
Author: Justin B. Spring
Author: Peter C. Humphreys
Author: Nicholas Thomas-Peter
Author: Marco Barbieri
Author: W.Steven Kolthammer
Author: Xian-Min Jin
Author: Nathan K. Langford
Author: Dmytro Kundys
Author: James C. Gates ORCID iD
Author: Brian J. Smith
Author: Ian A. Walmsley

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