14.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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13 papers · 2 filters
Chiral Metafilms and Surface Enhanced Raman Scattering For Enantiomeric Discrimination of Helicoid Nanoparticles
Martin Kartau, Anastasia Skvortsova, Victor Tabouillot +10
Chiral nanophotonic platforms provide a means of creating near fields with both enhanced asymmetric properties and intensities. They can be exploited for optical measurements that…
Stepped-height ridge waveguide MQW polarization mode converter monolithically integrated with sidewall grating DFB laser
Xiao Sun, Weiqing Cheng, Song Liang +8
We report the first demonstration of a 1555 nm stepped-height ridge waveguide polarization mode converter monolithically integrated with a side wall grating distributed-feedback (D…
Inverse design of arbitrary optical helicity patterns
Romuald Kilianski, Robert Bennett
Superposing multiple plane waves can generate helicity lattices in which the optical helicity varies regularly in space. Here we propose an inverse design method for constructing a…
Measurement of single nanoparticle anisotropy by laser induced optical alignment and Rayleigh scattering for determining particle morphology
Markus Rademacher, Jonathan Gosling, Antonio Pontin +4
We demonstrate the measurement of nanoparticle shape by angularly resolved Rayleigh scattering of single optical levitated particles that are oriented in space via the trapping lig…
Coupling of Plasmonic Hot Spots with Shurikens for Superchiral SERS-based Enantiomer Recognition
Olga Guselnikova, Roman Elashnikov, Vaclav Svorcik +6
Detection of enantiomers is a challenging problem in drug development as well as environmental and food quality monitoring where traditional optical detection methods suffer from l…
Two-Photon Interference LiDAR Imaging
Robbie Murray, Ashley Lyons
Optical Coherence Tomography (OCT) is a key 3D imaging technology that provides micron scale depth resolution for bio-imaging. This resolution substantially surpasses what it typic…
Single-shot characterization of vector beams by generalized measurements
Mustafa A. Al Khafaji, Claire M. Cisowski, Harry Jimbrown +3
Vector vortex beams, featuring independent spatial modes in orthogonal polarization components, offer an increase in information density for emerging applications in both classical…
Near-field Probing of Optical Superchirality for Enhanced Bio-detection
Victor Tabouillot, Rahul Kumar, Paula L. Lalaguna +8
Nanophotonic platforms in theory uniquely enable < femtomoles of chiral biological and pharmaceutical molecules to be detected, through the highly localised changes in the chiral a…
An all-dielectric metasurface polarimeter
Yash D. Shah, Adetunmise C. Dada, James P. Grant +6
The polarization state of light is a key parameter in many imaging systems. For example, it can image mechanical stress and other physical properties that are not seen with convent…
Transfer and evolution of structured polarization in a double-V atomic system
Zhenzhu Li, Sonja Franke-Arnold, Thomas W. Clark. Jinwen Wang +2
We numerically investigate the transfer of optical information from a vector-vortex control beam to an unstructured probe beam, as mediated by an atomic vapour. The right and left…
Optical angular momentum in atomic transitions: a paradox
Stephen M. Barnett, Fiona C. Speirits, Mohamed Babiker
Stated simply the paradox is as follows: it is clear that the orbital angular momentum of a light beam in its direction of propagation is an intrinsic quantity, and therefore has t…
Generally applicable holographic torque measurement for optically trapped particles
Franziska Strasser, Stephen M. Barnett, Monika Ritsch-Marte +1
We present a method to measure the optical torque applied to particles of arbitrary shape held in an optical trap, inferred from the change of angular momentum of light induced by…
Geometric phases of light: insights from fibre bundle theory
C. M. Cisowski, J. B. Götte, S. Franke-Arnold
Geometric phases are ubiquitous in physics; they act as memories of the transformation of a physical system. In optics, the most prominent examples are the Pancharatnam-Berry phase…