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Details of Grant 

EPSRC Reference: EP/M508329/1
Title: Quantum Waveguides for Indistinguishable Single Photon Sources (QWISPS)
Principal Investigator: Smith, Professor PGR
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Optoelectronics Research Centre
Organisation: University of Southampton
Scheme: Technology Programme
Starts: 01 April 2015 Ends: 31 March 2016 Value (£): 92,174
EPSRC Research Topic Classifications:
EPSRC Industrial Sector Classifications:
Related Grants:
Panel History:  
Summary on Grant Application Form
Covesion Ltd and The University of Southampton plan a collaborative feasibility study to investigate the use of periodicallypoled

lithium niobate crystals in single-photon sources for applications exploiting quantum entanglement. Our crystals

enable the energy of a single photon to be split and conserved as two lower-energy photons at different colours; the laws of

physics state that if one of these photons is created then the other must also exist. In this project, we seek to reduce the

manufacturing tolerances required to generate indistinguisable photons between parallel sources and our objective is to

prove our new approach across multiple devices. This is an important step in enabling scalable quantum applications

where many indistinguishable photons are needed in parallel, such as quantum computing.
Key Findings
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Potential use in non-academic contexts
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Impacts
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Summary
Date Materialised
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Further Information:  
Organisation Website: http://www.soton.ac.uk