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Phase-controlled integrated photonic quantum circuits

Phase-controlled integrated photonic quantum circuits
Phase-controlled integrated photonic quantum circuits
Scalable photonic quantum technologies are based on multiple nested interferometers. To realize this architecture, integrated optical structures are needed to ensure stable, controllable, and repeatable operation. Here we show a key proof-of-principle demonstration of an externally controlled photonic quantum circuit based upon UV-written waveguide technology. In particular, we present non-classical interference of photon pairs in a Mach-Zehnder interferometer constructed with X couplers in an integrated optical circuit with a thermo-optic phase shifter in one of the interferometer arms.
1094-4087
13516-13525
Smith, Brian J.
954d05af-a64d-404b-b03e-770e9cff1ac7
Kundys, Dmytro
c6bf92f9-9b7f-4541-a140-56dc800bfc7a
Thomas-Peter, Nicholas
768fa7c7-6937-49d6-a150-ab1859bb77cb
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Wamsley, I.A.
0e851220-d05b-4d4e-86c4-634402667c98
Smith, Brian J.
954d05af-a64d-404b-b03e-770e9cff1ac7
Kundys, Dmytro
c6bf92f9-9b7f-4541-a140-56dc800bfc7a
Thomas-Peter, Nicholas
768fa7c7-6937-49d6-a150-ab1859bb77cb
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Wamsley, I.A.
0e851220-d05b-4d4e-86c4-634402667c98

Smith, Brian J., Kundys, Dmytro, Thomas-Peter, Nicholas, Smith, P.G.R. and Wamsley, I.A. (2009) Phase-controlled integrated photonic quantum circuits. Optics Express, 17 (16), 13516-13525. (doi:10.1364/OE.17.013516).

Record type: Article

Abstract

Scalable photonic quantum technologies are based on multiple nested interferometers. To realize this architecture, integrated optical structures are needed to ensure stable, controllable, and repeatable operation. Here we show a key proof-of-principle demonstration of an externally controlled photonic quantum circuit based upon UV-written waveguide technology. In particular, we present non-classical interference of photon pairs in a Mach-Zehnder interferometer constructed with X couplers in an integrated optical circuit with a thermo-optic phase shifter in one of the interferometer arms.

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Published date: 3 August 2009

Identifiers

Local EPrints ID: 70892
URI: https://eprints.soton.ac.uk/id/eprint/70892
ISSN: 1094-4087
PURE UUID: ee716f86-e734-4e1f-9f0b-e58b197ad52f
ORCID for P.G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X

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Date deposited: 09 Mar 2010
Last modified: 10 Dec 2019 01:54

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Contributors

Author: Brian J. Smith
Author: Dmytro Kundys
Author: Nicholas Thomas-Peter
Author: P.G.R. Smith ORCID iD
Author: I.A. Wamsley

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