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pro vyhledávání: '"Aspden, Reuben"'
Autor:
Aspden, Reuben S.
Imaging systems play a crucial role in shaping understanding of our surroundings. Modern imaging systems enable the acquisition of images of objects at length-scales and resolutions previously deemed impossible. However, as the drive for better image
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.650398
This paper discusses new methods for processing images in the photon-limited regime where the number of photons per pixel is binary. We present a new Bayesian denoising method for binary, single-photon images. Each pixel measurement is assumed to fol
Externí odkaz:
http://arxiv.org/abs/1609.04862
Publikováno v:
Am. J. Phys. 84, 671 (2016)
As normally used, no commercially available camera has a low-enough dark noise to directly produce video recordings of double-slit interference at the photon-by-photon level, because readout noise significantly contaminates or overwhelms the signal.
Externí odkaz:
http://arxiv.org/abs/1602.05987
Autor:
Tasca, Daniel S., Rudnicki, Łukasz, Aspden, Reuben S., Padgett, Miles J., Ribeiro, Paulo H. Souto, Walborn, Stephen P.
Publikováno v:
Phys. Rev. A 97, 042312 (2018)
Continuous variables systems find valuable applications in quantum information processing. To deal with an infinite-dimensional Hilbert space, one in general has to handle large numbers of discretized measurements in tasks such as entanglement detect
Externí odkaz:
http://arxiv.org/abs/1506.01095
Low-light-level imaging techniques have application in many diverse fields, ranging from biological sciences to security. We demonstrate a single-photon imaging system based on a time-gated inten- sified CCD (ICCD) camera in which the image of an obj
Externí odkaz:
http://arxiv.org/abs/1408.6381
Publikováno v:
New J. Phys. 15 073032 (2013)
Correlated-photon imaging, popularly known as ghost imaging, is a technique whereby an image is formed from light that has never interacted with the object. In ghost imaging experiments two correlated light fields are produced. One of these fields il
Externí odkaz:
http://arxiv.org/abs/1212.5059
Autor:
Moreau, Paul-Antoine, Toninelli, Ermes, Gregory, Thomas, Aspden, Reuben S., Morris, Peter A., Padgett, Miles J.
The violation of a Bell inequality not only attests to the nonclassical nature of a system but also holds a very unique status within the quantum world. The amount by which the inequality is violated often provides a good benchmark on how a quantum p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::be15920e518a0e4e75ab981cd7c385fa
https://eprints.gla.ac.uk/186036/7/186036.pdf
https://eprints.gla.ac.uk/186036/7/186036.pdf
Autor:
Moreau, Paul-Antoine, Toninelli, Ermes, Morris, Peter A., Aspden, Reuben S., Gregory, Thomas, Spalding, Gabriel, Boyd, Robert W., Padgett, Miles
Publikováno v:
Optics Express
Quantum ghost imaging uses photon pairs produced from parametric downconversion to enable an alternative method of image acquisition. Information from either one of the photons does not yield an image, but an image can be obtained by harnessing the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b8dde55548e81dbcb158389c32045018
https://eprints.gla.ac.uk/157824/1/157824.pdf
https://eprints.gla.ac.uk/157824/1/157824.pdf
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We utilise the position and orbital angular momentum (OAM) correlations between the signal and idler photons generated in the down-conversion process to obtain ghost images of a phase object. By using an OAM phase filter, which is non-local with resp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::a224e26869ccc6ee6c0782ddf2d7b87a
https://eprints.gla.ac.uk/116923/1/116923.pdf
https://eprints.gla.ac.uk/116923/1/116923.pdf