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High quantum-efficiency photon-number-resolving detector for photonic on-chip information processing

High quantum-efficiency photon-number-resolving detector for photonic on-chip information processing
High quantum-efficiency photon-number-resolving detector for photonic on-chip information processing
The integrated optical circuit is a promising architecture for the realization of complex quantum optical states and information networks. One element that is required for many of these applications is a high-efficiency photon detector capable of photon-number discrimination. We present an integrated photonic system in the telecom band at 1550 nm based on UV-written silica-on-silicon waveguides and modified transition-edge sensors capable of number resolution and over 40 % efficiency. Exploiting the mode transmission failure of these devices, we multiplex three detectors in series to demonstrate a combined 79 % ± 2 % detection efficiency with a single pass, and 88 % ± 3 % at the operating wavelength of an on-chip terminal reflection grating. Furthermore, our optical measurements clearly demonstrate no significant unexplained loss in this system due to scattering or reflections. This waveguide and detector design therefore allows the placement of number-resolving single-photon detectors of predictable efficiency at arbitrary locations within a photonic circuit - a capability that offers great potential for many quantum optical applications.
1094-4087
22657-22670
Calkins, Brice
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Mennea, Paolo
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Lita, Adriana E.
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Metcalf, Benjamin J.
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Kolthammer, W.Steven
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Lamas-Linares, Antia
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Spring, Justin B.
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Humphreys, Peter C.
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Mirin, Richard P.
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Gates, James C.
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Smith, Peter G.R.
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Walmsley, Ian A.
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Gerrits, Thomas
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Nam, Sae Woo
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Calkins, Brice
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Mennea, Paolo
d994ba05-bcc1-4be3-8ba1-439fb1535a3f
Lita, Adriana E.
74cc0156-e141-4008-b689-3f6b2028de18
Metcalf, Benjamin J.
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Kolthammer, W.Steven
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Lamas-Linares, Antia
bd8cc647-f558-4dd5-ae36-f38c8c008e8a
Spring, Justin B.
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Humphreys, Peter C.
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Mirin, Richard P.
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Gates, James C.
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Smith, Peter G.R.
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Walmsley, Ian A.
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Gerrits, Thomas
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Nam, Sae Woo
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Calkins, Brice, Mennea, Paolo, Lita, Adriana E., Metcalf, Benjamin J., Kolthammer, W.Steven, Lamas-Linares, Antia, Spring, Justin B., Humphreys, Peter C., Mirin, Richard P., Gates, James C., Smith, Peter G.R., Walmsley, Ian A., Gerrits, Thomas and Nam, Sae Woo (2013) High quantum-efficiency photon-number-resolving detector for photonic on-chip information processing. Optics Express, 21 (19), 22657-22670. (doi:10.1364/OE.21.022657).

Record type: Article

Abstract

The integrated optical circuit is a promising architecture for the realization of complex quantum optical states and information networks. One element that is required for many of these applications is a high-efficiency photon detector capable of photon-number discrimination. We present an integrated photonic system in the telecom band at 1550 nm based on UV-written silica-on-silicon waveguides and modified transition-edge sensors capable of number resolution and over 40 % efficiency. Exploiting the mode transmission failure of these devices, we multiplex three detectors in series to demonstrate a combined 79 % ± 2 % detection efficiency with a single pass, and 88 % ± 3 % at the operating wavelength of an on-chip terminal reflection grating. Furthermore, our optical measurements clearly demonstrate no significant unexplained loss in this system due to scattering or reflections. This waveguide and detector design therefore allows the placement of number-resolving single-photon detectors of predictable efficiency at arbitrary locations within a photonic circuit - a capability that offers great potential for many quantum optical applications.

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e-pub ahead of print date: 18 September 2013
Published date: 23 September 2013
Additional Information: Funded by EPSRC: Interdisciplinary Research Collaboration in Quantum Information Processing (GR/S82176/01)
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 359032
URI: https://eprints.soton.ac.uk/id/eprint/359032
ISSN: 1094-4087
PURE UUID: db614529-7647-4b76-b8f1-3ee9e331e7c2
ORCID for James C. Gates: ORCID iD orcid.org/0000-0001-8671-5987
ORCID for Peter G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X

Catalogue record

Date deposited: 21 Oct 2013 08:54
Last modified: 12 Nov 2019 02:00

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Contributors

Author: Brice Calkins
Author: Paolo Mennea
Author: Adriana E. Lita
Author: Benjamin J. Metcalf
Author: W.Steven Kolthammer
Author: Antia Lamas-Linares
Author: Justin B. Spring
Author: Peter C. Humphreys
Author: Richard P. Mirin
Author: James C. Gates ORCID iD
Author: Ian A. Walmsley
Author: Thomas Gerrits
Author: Sae Woo Nam

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