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Roadmap on structured waves
K. Y. Bliokh, E. Karimi, M. J. Padgett +47
Structured waves are ubiquitous for all areas of wave physics, both classical and quantum, where the wavefields are inhomogeneous and cannot be approximated by a single plane wave.…
Direct observation of the spin-orbit coupling interaction in ring-core optical fibers
Steven D. Johnson, Zelin Ma, Miles Padgett +1
Ring-core optical fibers have been designed to carry orbital angular momentum modes. We demonstrate the imaging of these modes, individually identifying modes separated temporally…
Phase and amplitude imaging with quantum correlations through Fourier Ptychography
Tomas Aidukas, Pavan Chandra Konda, Andrew R. Harvey +2
Extracting as much information as possible about an object when probing with a limited number of photons is an important goal with applications from biology and security to metrolo…
Non-line-of-sight 3D imaging with a single-pixel camera
G. Musarra, A. Lyons, E. Conca +5
Real time, high resolution 3D reconstruction of scenes hidden from the direct field of view is a challenging field of research with applications in real-life situations related e.g…
A high-speed, wavelength invariant, single-pixel wavefront sensor with a digital micromirror device
Mitchell A. Cox, Ermes Toninelli, Ling Cheng +2
The wavefront measurement of a light beam is a complex task, which often requires a series of spatially resolved intensity measurements. For instance, a detector array may be used…
How fast is a twisted photon?
Thomas Roger, Ashley Lyons, Niclas Westerberg +5
Recent measurements have highlighted that spatially shaped photons travel slower than c, the speed of monochromatic, plane waves in vacuum. Here we investigate the intrinsic delay…