Single-pixel imaging with heralded single photons
Johnson, Steven and McMillan, Alex and Torre, Cyril and Frick, Stefan and Rarity, John and Padgett, Miles (2022) Single-pixel imaging with heralded single photons. Optics Continuum, 1 (4). pp. 826-833. ISSN 2770-0208 (https://doi.org/10.1364/OPTCON.458248)
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Abstract
Traditional remote sensing applications are often based on pulsed laser illumination with a narrow linewidth and characteristic repetition rate, which are not conducive to covert operation. Whatever methods are employed for covert sensing, a key requirement is for the probe light to be indistinguishable from background illumination. We present a method to perform single-pixel imaging that suppresses the effect of background light and hence improves the signal-to-noise ratio by using correlated photon-pairs produced via spontaneous parametric down conversion. One of the photons in the pair is used to illuminate the object whilst the other acts as a temporal reference, allowing the signal photons to be distinguished from background noise. Understanding the noise regime is key to producing higher contrast images using this heralding method.
ORCID iDs
Johnson, Steven ORCID: https://orcid.org/0000-0002-6181-8303, McMillan, Alex, Torre, Cyril, Frick, Stefan, Rarity, John and Padgett, Miles;-
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Item type: Article ID code: 89766 Dates: DateEvent15 April 2022Published7 April 2022Published Online20 March 2022AcceptedSubjects: Science > Physics > Optics. Light
Technology > Electrical engineering. Electronics Nuclear engineeringDepartment: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 27 Jun 2024 15:50 Last modified: 25 Sep 2024 14:48 URI: https://strathprints.strath.ac.uk/id/eprint/89766