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OPHOCS

On-chip Photonic Cluster State Generation

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EC-Contrib. €

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Partnership

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Project "OPHOCS" data sheet

The following table provides information about the project.

Coordinator
KOBENHAVNS UNIVERSITET 

Organization address
address: NORREGADE 10
city: KOBENHAVN
postcode: 1165
website: www.ku.dk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Denmark [DK]
 Total cost 200˙194 €
 EC max contribution 200˙194 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-03-01   to  2019-02-28

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    KOBENHAVNS UNIVERSITET DK (KOBENHAVN) coordinator 200˙194.00

Map

 Project objective

The MSCA Individual fellowship project OPHOCS – On-chip Photonic Cluster State Generation focuses on the realization and investigation of large cluster states of entangled single photons with applications in quantum information processing. The project will progress recent developments of quantum dot spin qubits as the entanglement resource, which may be scaled up to a large cluster state by employing state-of-the-art nanophotonic devices to efficiently boost the photon generation efficiency. A highly entangled many-photon cluster state is an eagerly sought after fundamental resource enabling measurement-based quantum-information processing. Here computation algorithms are carried out only by single-qubit measurements combined with classical feed-forward operations on the large-scale cluster state. This feature makes such a one-way quantum computer highly desirable as it critically reduces the requirements for quantum computation. Recent, first proof-of-principle implementations elucidate its potential but are limited in their scalability. The proposed research will facilitate self-assembled semiconductor quantum dots as a scalable photonic resource by exploiting their unique ability for the generation of highest purity indistinguishable photons with unprecedented high efficiencies. This resource will be directly integrated into nanophotonic waveguide devices, and the inherently strong light-matter interaction exploited to demonstrate efficient spin-photon interfaces for high rate, high fidelity cluster state generation. With this architecture we will establish a solid-state device for quantum information science, with the immediate target of generating, for the first time, on-chip photonic cluster states with n>10.

 Publications

year authors and title journal last update
List of publications.
2018 Alisa Javadi, Dapeng Ding, Martin Hayhurst Appel, Sahand Mahmoodian, Matthias Christian Löbl, Immo Söllner, Rüdiger Schott, Camille Papon, Tommaso Pregnolato, Søren Stobbe, Leonardo Midolo, Tim Schröder, Andreas Dirk Wieck, Arne Ludwig, Richard John Warburton, Peter Lodahl
Spin–photon interface and spin-controlled photon switching in a nanobeam waveguide
published pages: 398-403, ISSN: 1748-3387, DOI: 10.1038/s41565-018-0091-5
Nature Nanotechnology 13/5 2019-04-18
2018 Bersin, Eric; Walsh, Michael; Mouradian, Sara L.; Trusheim, Matthew E.; Schröder, Tim; Englund, Dirk
Individual Control and Readout of Qubits in a Sub-Diffraction Volume
published pages: , ISSN: , DOI:
arXiv arXiv:1805.06884 2019-04-18
2018 D. Ding, M. H. Appel, A. Javadi, X. Zhou, M. C. Löbl, I. Söllner, R. Schott, C. Papon, T. Pregnolato, L. Midolo, A. D. Wieck, A. Ludwig, R. J. Warburton, T. Schröder, and P. Lodahl
Coherent optical control of a quantum-dot spin-qubit in a waveguide-based spin-photon interface
published pages: , ISSN: , DOI:
arXiv arXiv:1810.06103 2019-04-18

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The information about "OPHOCS" are provided by the European Opendata Portal: CORDIS opendata.

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