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|Title: ||Spatially resolved single photon detection with a quantum sensor array|
|Authors: ||Zagoskin, Alexandre M.|
Wilson, Richard D.
Everitt, Mark J.
Gulevich, Dmitry R.
|Issue Date: ||2013|
|Publisher: ||Nature Publishing Group|
|Citation: ||ZAGOSKIN, A.M. ... et al, 2013. Spatially resolved single photon detection with a quantum sensor array. Scientific Reports, 3, 3464.|
|Abstract: ||We propose a method of resolving a spatially coherent signal, which contains on average just a single photon, against the background of local noise at the same frequency. The method is based on detecting the signal simultaneously in several points more than a wavelength apart through the entangling interaction of the incoming photon with the quantum metamaterial sensor array. The interaction produces the spatially correlated quantum state of the sensor array, characterised by a collective observable (e.g., total magnetic moment), which is read out using a quantum nondemolition measurement. The realisation of this approach in the microwave range would be especially useful and is within the reach of current experimental techniques.|
|Description: ||This is an Open Access article published by the Nature Publishing Group and distributed under the terms of the Creative Commons Attribution-
NonCommercial-ShareAlike 3.0 Unported license. To view a copy of this license,
|Sponsor: ||AMZ, RDW, ME and SS were supported by the John Templeton Foundation. EI
acknowledges the financial support of the EU through the project iQIT.|
|Publisher Link: ||http://dx.doi.org/10.1038/srep03464|
|Appears in Collections:||Published Articles (Physics)|
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