Quantum Position Measurement of a Shadow: Beating the Classical Limit

Toninelli, E., Edgar, M. P., Moreau, P.-A. , Gibson, G. M. , Hammond, G. D. and Padgett, M. J. (2017) Quantum Position Measurement of a Shadow: Beating the Classical Limit. In: OSA Frontiers in Optics/Laser Science APS/DLS, Washington, D.C., USA, 16-20 Sep 2017, FTu5E.3. ISBN 9781943580330 (doi: 10.1364/FIO.2017.FTu5E.3)

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Abstract

The precision with which the position of a shadow can be measured is classically limited by shot-noise. We achieve sub-shot-noise position sensitivity by jointly detecting correlated photons with a simple split-detector scheme.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gibson, Dr Graham and Hammond, Professor Giles and Padgett, Professor Miles and Edgar, Dr Matthew and Moreau, Dr Paul-Antoine and Toninelli, Mr Ermes
Authors: Toninelli, E., Edgar, M. P., Moreau, P.-A., Gibson, G. M., Hammond, G. D., and Padgett, M. J.
College/School:College of Science and Engineering > School of Physics and Astronomy
Research Centre:College of Science and Engineering > School of Physics and Astronomy > Institute for Gravitational Research
ISBN:9781943580330
Copyright Holders:Copyright © 2017 The Authors
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
636381EPSRC Centre for Doctoral Training in Sensing and MeasurementAndrew HarveyEngineering and Physical Sciences Research Council (EPSRC)EP/L016753/1SCHOOL OF PHYSICS & ASTRONOMY
6672319UK Quantum Technology Hub in Enhanced Quantum ImagingMiles PadgettEngineering and Physical Sciences Research Council (EPSRC)EP/M01326X/1S&E P&A - PHYSICS & ASTRONOMY
717951IMAGITMiles PadgettEuropean Commission (EC)706410S&E P&A - PHYSICS & ASTRONOMY