Imaging with quantum states of light

Moreau, P.-A. , Toninelli, E., Gregory, T. and Padgett, M. J. (2019) Imaging with quantum states of light. Nature Reviews Physics, 1(6), pp. 367-380. (doi:10.1038/s42254-019-0056-0)

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Abstract

The production of pairs of entangled photons simply by focusing a laser beam onto a crystal with a nonlinear optical response was used to test quantum mechanics and to open new approaches in imaging. The development of the latter was enabled by the emergence of single-photon-sensitive cameras that are able to characterize spatial correlations and high-dimensional entanglement. Thereby, new techniques emerged, such as ghost imaging of objects — in which the quantum correlations between photons reveal the image from photons that have never interacted with the object — or imaging with undetected photons by using nonlinear interferometers. In addition, quantum approaches in imaging can also lead to an improvement in the performance of conventional imaging systems. These improvements can be obtained by means of image contrast, resolution enhancement that exceeds the classical limit and acquisition of sub-shot-noise phase or amplitude images. In this Review, we discuss the application of quantum states of light for advanced imaging techniques.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Toninelli, Ermes and Gregory, Mr Thomas and Moreau, Dr Paul-Antoine and Padgett, Professor Miles
Authors: Moreau, P.-A., Toninelli, E., Gregory, T., and Padgett, M. J.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Nature Reviews Physics
Publisher:Nature Research
ISSN:2522-5820
ISSN (Online):2522-5820
Published Online:28 May 2019
Copyright Holders:Copyright © 2019 Springer Nature
First Published:First published in Nature Reviews Physics 1(6): 367-380
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
190841UK Quantum Technology Hub in Enhanced Quantum ImagingMiles PadgettEngineering and Physical Sciences Research Council (EPSRC)EP/M01326X/1P&S - Physics & Astronomy
169636Twists and more: the complex shape of lightMiles PadgettEuropean Research Council (ERC)340507P&S - Physics & Astronomy
173293IMAGITMiles PadgettEuropean Commission (EC)706410P&S - Physics & Astronomy
303289Quantum technologies in high dimensionPaul-Antoine MoreauLeverhulme Trust (LEVERHUL)ECF-2018-634P&S - Physics & Astronomy
190828EPSRC Centre for Doctoral Training in Sensing and MeasurementAndrew HarveyEngineering and Physical Sciences Research Council (EPSRC)EP/L016753/1P&S - Physics & Astronomy
172865EPSRC DTP 16/17 and 17/18Tania GalabovaEngineering and Physical Sciences Research Council (EPSRC)EP/N509668/1Research and Innovation Services