Zobrazeno 1 - 10
of 691
pro vyhledávání: '"Padgett, Miles J"'
Autor:
Pearce, Emma, Wolley, Osian, Mekhail, Simon P., Gregory, Thomas, Gemmell, Nathan R., Oulton, Rupert F., Clark, Alex S., Phillips, Chris C., Padgett, Miles J.
Imaging with undetected photons relies upon nonlinear interferometry to extract the spatial image from an infrared probe beam and reveal it in the interference pattern of an easier-to-detect visible beam. Typically, the transmission and phase images
Externí odkaz:
http://arxiv.org/abs/2403.13389
Autor:
Būtaitė, Unė G., Sharp, Christina, Horodynski, Michael, Gibson, Graham M., Padgett, Miles J., Rotter, Stefan, Taylor, Jonathan M., Phillips, David B.
Publikováno v:
Sci. Adv.10,eadi7792 (2024)
Optical tweezers enable non-contact trapping of micro-scale objects using light. Despite their widespread use, it is currently not known how tightly it is possible to three-dimensionally trap micro-particles with a given photon budget. Reaching this
Externí odkaz:
http://arxiv.org/abs/2304.12848
Autor:
Abdulaziz, Abdullah, Mekhail, Simon Peter, Altmann, Yoann, Padgett, Miles J., McLaughlin, Stephen
Conventional endoscopes comprise a bundle of optical fibers, associating one fiber for each pixel in the image. In principle, this can be reduced to a single multimode optical fiber (MMF), the width of a human hair, with one fiber spatial-mode per im
Externí odkaz:
http://arxiv.org/abs/2210.13883
Autor:
Cromb, Marion, Restuccia, Sara, Gibson, Graham M., Toros, Marko, Padgett, Miles J., Faccio, Daniele
Understanding quantum mechanics within curved spacetime is a key stepping stone towards understanding the nature of spacetime itself. Whilst various theoretical models have been developed, it is significantly more challenging to carry out actual expe
Externí odkaz:
http://arxiv.org/abs/2210.05628
Autor:
Wolley, Osian, Mekhail, Simon, Moreau, Paul-Antoine, Gregory, Thomas, Gibson, Graham, Leuchs, Gerd, Padgett, Miles J.
We present a wide-field homodyne imaging system capable of recovering intensity and phase images of an object from a single camera frame at an illumination intensity significantly below the noise floor of the camera. By interfering a weak imaging sig
Externí odkaz:
http://arxiv.org/abs/2208.04898
Autor:
Stellinga, Daan, Phillips, David B., Mekhail, Simon Peter, Selyem, Adam, Turtaev, Sergey, Čižmár, Tomáš, Padgett, Miles J.
Publikováno v:
Science 374 (2021), 1395-1399
Time-of-flight (ToF) 3D imaging has a wealth of applications, from industrial inspection to movement tracking and gesture recognition. Depth information is recovered by measuring the round-trip flight time of laser pulses, which usually requires proj
Externí odkaz:
http://arxiv.org/abs/2107.11450
Akademický článek
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Publikováno v:
Laser Photonics Rev. 2017, 1700183
The well-known linear Doppler effect arises from the linear motion between source and observer, while the less well-known rotational Doppler effect arises from the rotational motion. Here, we present both theories and experiments illustrating the rel
Externí odkaz:
http://arxiv.org/abs/1912.01409
Spontaneous downconversion is a versatile source for correlated biphotons that has been employed in many quantum sensing and imaging experiments. Spatially-resolved photon-counting detectors allow to access a large number of modes, posing the challen
Externí odkaz:
http://arxiv.org/abs/1911.10562
Publikováno v:
Nature Reviews Physics 1, 367-380 (2019)
The production of pairs of entangled photons simply by focusing a laser beam onto a crystal with a non-linear optical response was used to test quantum mechanics and to open new approaches in imaging. The development of the latter was enabled by the
Externí odkaz:
http://arxiv.org/abs/1908.03034