Details of Grant 

EPSRC Reference:	GR/T01273/01
Title:	Quantum optics in casual media and decoherence in quantum information processing
Principal Investigator:	Scheel, Professor S
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department:	Physics
Organisation:	Imperial College London
Scheme:	Advanced Fellowship (Pre-FEC)
Starts:	01 October 2004	Ends:	30 September 2009	Value (£):	235,966
EPSRC Research Topic Classifications:	Quantum Optics & Information
EPSRC Industrial Sector Classifications:	No relevance to Underpinning Sectors
Related Grants:
Panel History:	Panel Date Panel Name Outcome 21 Apr 2004 Physics Fellowships Interviews 2004 Deferred 15 Mar 2004 Physics Fellowships Sifting Panel 2004 Deferred
Summary on Grant Application Form
The proposed research programme is centered around quantum optics in media with causal response which will form the core of the project. It will be concerned with the quantisation of the electromagnetic field in materials with nonlinear response and moving media. This theory will allow to quantify decoherence processes in various nonlinear optical processes such as parametric down-conversion. This in turn has important consequences for the scaling behaviour of decoherence in quantum information processing. Another closely linked part of the project is concerned with quantum information processing using linear optics which includes investigation of scaling of success probabilities, decoherence and the development and optimisation of various special-purpose networks.The quantisation scheme will also be used to investigate decoherence and lifetime reduction of atom clouds over metallic wires in atom chip experiments. Here, the focus will be on finding miniaturisation limits as well as investigations of possibilities to include optical manipulations in atom chip experiments. Finally, it is planned to perform calculations on the Casimir force between dielectric bodies and to explore its applications in metrology.
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Organisation Website:	http://www.imperial.ac.uk