Phase singularities to polarization singularities
Ruchi, P Senthilkumaran, SK Pal - International Journal of …, 2020 - Wiley Online Library
Polarization singularities are superpositions of orbital angular momentum (OAM) states in
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
Generating optical vortex beams by momentum-space polarization vortices centred at bound states in the continuum
Optical vortices, beams with spiral wavefronts and screw phase dislocations, have been
attracting increasing interest in various fields. Here, we theoretically propose and …
attracting increasing interest in various fields. Here, we theoretically propose and …
Chiral coupling of valley excitons and light through photonic spin–orbit interactions
Spintronics employs the spin of electrons to encode information. Akin to spintronics,
valleytronics exploits the valley as pseudospin‐carrying controllable binary information. 2D …
valleytronics exploits the valley as pseudospin‐carrying controllable binary information. 2D …
Dual coaxial longitudinal polarization vortex structures
Z Man, Z Xi, X Yuan, RE Burge, HP Urbach - Physical Review Letters, 2020 - APS
Carrying orbital angular momentum per photon, the optical vortex has elicited widespread
interest. Here, we demonstrate that dual coaxial longitudinal polarization vortices can …
interest. Here, we demonstrate that dual coaxial longitudinal polarization vortices can …
Phase singularities to polarization singularities
P Senthilkumaran, SK Pal - International Journal of Optics, 2020 - search.proquest.com
Polarization singularities are superpositions of orbital angular momentum (OAM) states in
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
Vortex generation in the spin-orbit interaction of a light beam propagating inside a uniaxial medium: origin and efficiency
It has been known that an optical vortex with a topological charge±2 can be generated as a
circularly polarized (CP) light beam propagates in a bulk uniaxial crystal, but its physical …
circularly polarized (CP) light beam propagates in a bulk uniaxial crystal, but its physical …
Three-dimensional spin Hall effect of light in tight focusing
We theoretically propose the realization of a three-dimensional (3D) spin Hall effect (SHE) of
light by tightly focusing a linearly polarized light. Owing to the spin-orbital interaction in …
light by tightly focusing a linearly polarized light. Owing to the spin-orbital interaction in …
[HTML][HTML] Strong spin–orbit interaction of photonic skyrmions at the general optical interface
Photonic skyrmions have applications in many areas, including the vectorial and chiral
optics, optical manipulation, deep-subwavelength imaging and nanometrology. Much effort …
optics, optical manipulation, deep-subwavelength imaging and nanometrology. Much effort …
Mapping the near-field spin angular momenta in the structured surface plasmon polariton field
Optical spin angular momenta in a confined electromagnetic field exhibit a remarkable
difference with their free space counterparts; in particular, the optical transverse spin that is …
difference with their free space counterparts; in particular, the optical transverse spin that is …
Interplay between spin and orbital angular momenta in tightly focused higher‐order poincaré sphere beams
P Yu, Y Liu, Z Wang, Y Li, L Gong - Annalen Der Physik, 2020 - Wiley Online Library
Spin‐orbit interactions (SOIs) of light in tight focusing systems have gained much attention
due to the potential applications in optical trapping and microscopy. SOI effects strongly …
due to the potential applications in optical trapping and microscopy. SOI effects strongly …