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SPIRAL SIGNED

Single Photons from Isotopically-pure Rubidium Atoms in a Long fibre

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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Project "SPIRAL" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITAET STUTTGART 

Organization address
address: KEPLERSTRASSE 7
city: STUTTGART
postcode: 70174
website: www.uni-stuttgart.de

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 Germany [DE]
 Total cost 132˙884 €
 EC max contribution 132˙884 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2018
 Duration (year-month-day) from 2018-07-01   to  2020-02-29

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET STUTTGART DE (STUTTGART) coordinator 132˙884.00

Map

 Project objective

Single photon sources are essential for applications of quantum optics. For optical quantum computing the process is probabilistic and so the larger the number of photons the less time required for success. Therefore, there has been a push to increase the brightness of single photons sources. This goal of this action is to develop a source of heralded single photons with a very high spectral brightness, based on four-wave mixing in an alkali-vapour contained in a hollow core photonic crystal fibre. This will exploit the higher efficiency expected from using a hollow core fibre to boost the brightness of the single-photon source. Also, by using optical fibre technology, this photon source should be very simple to integrate into other systems. Once the photon pairs are generated, the major challenge of this system will be to split them from themselves, as well as removing the vast number of remaining pump photons. Since all three wavelengths of the light emerging from the fibre are very close to each other, and the beams are spatially overlapped, many common techniques (such as using interference filters and/or spatial filtering) will not work. However, we have identified a scheme using an atomic Faraday filter which will allow a beam splitter to be formed for the photon pairs, whilst simultaneously removing the pump photons.

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

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