Propagation of coherence-OAM matrix of an optical beam in vacuum and turbulence

F Wang, W Li, D Wu, L Liu, O Korotkova, Y Cai - Optics express, 2023 - opg.optica.org
Propagation of the coherence-orbital angular momentum (COAM) matrix of partially
coherent beams in homogeneous and isotropic turbulence, eg, atmosphere, is formulated …

Coherence-OAM matrix properties of a twisted Gaussian Schell model beam

J Wang, X Nie, Y Guo, Y Liang, J Li - Optics Express, 2023 - opg.optica.org
Based on the cross-spectral density (CSD) function, the coherence-orbital angular
momentum (COAM) matrix of twisted Gaussian Schell-model (TGSM) beam is proposed …

Fast measurement of coherence–orbital angular momentum matrices of random light beams using off-axis holography and coordinate transformation

WH Li, Y Liu, Y Chen, Y Cai, O Korotkova, F Wang - Optics Letters, 2024 - opg.optica.org
We propose an effective protocol to measure the coherence–orbital angular momentum
(COAM) matrix of an arbitrary partially coherent beam. The method is based on an off-axis …

Sensing azimuthally symmetric objects by a single-pixel detector via COAM matrix

WH Li, D Wu, Y Chen, Y Cai, O Korotkova… - Applied Physics …, 2023 - pubs.aip.org
A coherence-orbital angular momentum (COAM) matrix describes the second-order spatial
correlations among the pairs of the OAM states in a light beam at two radial positions. It …

OAM-resolved polarization in random light beams

S Pokharel, D Raveh, O Korotkova - Optics letters, 2023 - opg.optica.org
We establish the properties of the cross-spectral density orbital angular momentum (CSD-
OAM) matrix of a stationary optical beam-like field and use them to introduce the OAM …

Experimental realization of Airy beams on incoherent background

Q Chen, M Hajati, X Liu, Y Cai, SA Ponomarenko… - Optics & Laser …, 2024 - Elsevier
We report an experimental realization of recently introduced Airy beams on incoherent
background (ABIBs). The ABIBs are structured random beams that defy diffraction in free …