Twisted mass transport enabled by the angular momentum of light

by Graham Bruce | Mar 5, 2020 | 2020

Takashige Omatsu, Keigo Masuda, Katsuhiko Miyamoto, Kohei Toyoda, Natalia M. Litchinitser, Yoshihiko Arita and Kishan Dholakia J. of Nanophotonics 14, 010901 (2020) Light may carry both orbital angular momentum (AM) and spin AM. The former is a consequence of its...

Widefield light sheet microscopy using an Airy beam combined with deep-learning super-resolution

by Graham Bruce | Mar 5, 2020 | In Press

Stella Corsetti, Philip Wijesinghe, Persephone B. Poulton, Shuzo Sakata, Khushi Vyas, C. Simon Herrington, Jonathan Nylk, Federico Gasparoli, and Kishan Dholakia bioarXiv preprint Imaging across length scales and in depth has been an important pursuit of widefield...

Femtometer-resolved simultaneous measurement of multiple laser wavelengths in a speckle wavemeter

by Graham Bruce | Oct 30, 2019 | In Press

Graham D. Bruce, Laura O’Donnell, Mingzhou Chen, Morgan Facchin and Kishan Dholakia Opt. Lett. 45, 1926 (2020) / arXiv: 1910.13411 Many areas of optical science require an accurate measurement of optical spectra. Devices based on laser speckle promise compact...

Deep learning enabled laser speckle wavemeter with a high dynamic range

by Graham Bruce | Oct 25, 2019 | In Press

Roopam K. Gupta, Graham D. Bruce, Simon J. Powis and Kishan Dholakia https://arxiv.org/abs/1910.10702 The speckle pattern produced when a laser is scattered by a disordered medium has recently been shown to give a surprisingly accurate or broadband measurement of...

High speed determination of laser wavelength using Poincaré descriptors of speckle

by Graham Bruce | Sep 5, 2019 | 2020, Publications

Laura O’Donnell, Kishan Dholakia and Graham D. Bruce Opt. Commun. 459, 124906 (2020) / arXiv: 1908.00665 Laser speckle can provide a powerful tool that may be used for metrology, for example measurements of the incident laser wavelength with a resolution beyond...

Optimal compressive multiphoton imaging at depth using single-pixel detection

by Graham Bruce | Jul 16, 2019 | 2019, Publications

Philip Wijesinghe, Adrià Escobet-Montalbán, Mingzhou Chen, Peter R T Munro and Kishan Dholakia Opt. Lett. 44(20), 4981-4984 (2019) doi: 10.1364/OL.44.004981 Compressive sensing can overcome the Nyquist criterion and record images with a fraction of the usual number of...