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Integrated quantum photonics

Integrated quantum photonics
Integrated quantum photonics
This paper reviews recent advances in integrated waveguide circuits, lithographically fabricated for quantum optics. With the increase in complexity of realizable quantum architectures, the need for stability and high quality nonclassical interference within large optical circuits has become a matter of concern in modern quantum optics. Using integrated waveguide structures, we demonstrate a high performance platform from which to further develop quantum technologies and experimental quantum physics using single photons. We review the performance of directional couplers in Hong-Ou-Mandel experiments, together with inherently stable interferometers with controlled phase shifts for quantum state preparation, manipulation, and measurement as well as demonstrating the first on-chip quantum metrology experiments. These fundamental components of optical quantum circuits are used together to construct integrated linear optical realizations of two-photon quantum controlled logic gates. The high quality quantum mechanical performance observed at the single photon level signifies their central role in future optical quantum technologies
1077-260X
1673-1684
Politi, Alberto
cf75c0a8-d34d-4cbe-b9d5-e408c0edeeec
Matthews, J.
4c708491-7509-44d6-9375-2b7313a36f3e
Thompson, M.G.
b1b92c69-d01a-467c-957f-0edc572d5f65
O'Brien, J.L.
fb052b79-aa26-4d40-a661-dd08ae0b0dc4
Politi, Alberto
cf75c0a8-d34d-4cbe-b9d5-e408c0edeeec
Matthews, J.
4c708491-7509-44d6-9375-2b7313a36f3e
Thompson, M.G.
b1b92c69-d01a-467c-957f-0edc572d5f65
O'Brien, J.L.
fb052b79-aa26-4d40-a661-dd08ae0b0dc4

Politi, Alberto, Matthews, J., Thompson, M.G. and O'Brien, J.L. (2009) Integrated quantum photonics. IEEE Journal of Selected Topics in Quantum Electronics, 15 (6), 1673-1684. (doi:10.1109/JSTQE.2009.2026060).

Record type: Article

Abstract

This paper reviews recent advances in integrated waveguide circuits, lithographically fabricated for quantum optics. With the increase in complexity of realizable quantum architectures, the need for stability and high quality nonclassical interference within large optical circuits has become a matter of concern in modern quantum optics. Using integrated waveguide structures, we demonstrate a high performance platform from which to further develop quantum technologies and experimental quantum physics using single photons. We review the performance of directional couplers in Hong-Ou-Mandel experiments, together with inherently stable interferometers with controlled phase shifts for quantum state preparation, manipulation, and measurement as well as demonstrating the first on-chip quantum metrology experiments. These fundamental components of optical quantum circuits are used together to construct integrated linear optical realizations of two-photon quantum controlled logic gates. The high quality quantum mechanical performance observed at the single photon level signifies their central role in future optical quantum technologies

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More information

Published date: November 2009
Organisations: Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 377120
URI: http://eprints.soton.ac.uk/id/eprint/377120
ISSN: 1077-260X
PURE UUID: 9ba499fe-0c26-4501-9788-5d8c7513a6c9
ORCID for Alberto Politi: ORCID iD orcid.org/0000-0002-3668-9474

Catalogue record

Date deposited: 22 May 2015 13:35
Last modified: 03 Dec 2019 01:35

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