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Memory-enhanced photonic quantum information processing

Objectif

The current complexity of optical quantum information processors is critically restricted by the scalability of quantum photonics. We will lessen this constraint by demonstrating a scalable platform based on an available quantum memory that achieves high time-bandwidth product and low noise. Quantum memories enable temporal multiplexing to create ideally deterministic routines from inherently probabilistic processes, such as those based on quantum measurements. We will employ this strategy to construct a unique source of quantum light from four synchronised heralded single-photon sources. We will develop an integrated memory-based quantum photonics platform with sufficient performance to achieve complex quantum information processing tasks with more than twenty photons distributed over as many modes. A second role for quantum memories uses light-matter quantum interference to effect processing of stored information. This potential unlocks novel and efficient QIP protocols and a compelling alternate architecture to chip-based processors. We will demonstrate a memory-based programmable three-port linear quantum optical network that operates on time-bins. The outcome of this project is a new memory-enhanced quantum photonics platform that will enable access to a new complexity regime for quantum information processing to explore the physics of complex quantum systems.

Appel à propositions

FP7-PEOPLE-2012-IEF
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Coordinateur

THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD
Contribution de l’UE
€ 221 606,40
Adresse
WELLINGTON SQUARE UNIVERSITY OFFICES
OX1 2JD Oxford
Royaume-Uni

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Région
South East (England) Berkshire, Buckinghamshire and Oxfordshire Oxfordshire
Type d’activité
Higher or Secondary Education Establishments
Contact administratif
Gill Wells (Ms.)
Liens
Coût total
Aucune donnée