Orbital angular momentum of twisted light: chirality and optical activity

KA Forbes, DL Andrews - Journal of Physics: Photonics, 2021 - iopscience.iop.org
Optical activity is conventionally understood as a natural difference in the optical responses
of chiral materials with opposite handedness. It stems from the quantised spin angular …

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 …

[HTML][HTML] Ultrasensitive and real-time detection of chemical reaction rate based on the photonic spin Hall effect

R Wang, J Zhou, K Zeng, S Chen, X Ling, W Shu… - Apl Photonics, 2020 - pubs.aip.org
A chemical reaction is a process that leads to the chemical transformation of one set of
chemical substances to another. However, the precise and real-time detection of the …

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 …

Generation and decomposition of scalar and vector modes carrying orbital angular momentum: a review

S Pachava, R Dharmavarapu… - Optical …, 2020 - spiedigitallibrary.org
Orbital angular momentum (OAM), one of the most recently discovered degrees of freedom
of light beam field has fundamentally revolutionized optical physics and its technological …

Raman optical activity using twisted photons

KA Forbes - Physical Review Letters, 2019 - APS
Raman optical activity underpins a powerful vibrational spectroscopic technique for
obtaining detailed structural information about chiral molecular species. The effect centers …

Fundamental symmetry origins in the chiral interactions of optical vortices

DL Andrews - Chirality, 2023 - Wiley Online Library
Recently, a variety of mechanisms have been discovered that extend the range of optical
techniques for identifying and characterizing molecular chirality, beyond those associated …

Symmetry and quantum features in optical vortices

DL Andrews - Symmetry, 2021 - mdpi.com
Optical vortices are beams of laser light with screw symmetry in their wavefront. With a
corresponding azimuthal dependence in optical phase, they convey orbital angular …

Detection of degenerate Stokes index states

G Arora, S Deepa, SN Khan, P Senthilkumaran - Scientific Reports, 2020 - nature.com
Stokes phase is the phase difference between orthogonal component states in the
decomposition of any polarization state. Phase singularities in the Stokes phase distribution …

Spin-orbit interactions and chiroptical effects engaging orbital angular momentum of twisted light in chiral and achiral media

KA Forbes, DL Andrews - Physical Review A, 2019 - APS
There is recurrent interest in the orbital angular momentum (OAM) conveyed by optical
vortices, which are structured beams with a helically twisted wave front. Particular …