Orbital angular momentum and beyond in free-space optical communications
Orbital angular momentum (OAM), which describes tailoring the spatial physical dimension
of light waves into a helical phase structure, has given rise to many applications in optical …
of light waves into a helical phase structure, has given rise to many applications in optical …
Generation of polarization and phase singular beams in fibers and fiber lasers
Cylindrical vector beams and vortex beams, two types of typical singular optical beams
characterized by axially symmetric polarization and helical phase front, possess the unique …
characterized by axially symmetric polarization and helical phase front, possess the unique …
Advances in communications using optical vortices
J Wang - Photonics Research, 2016 - opg.optica.org
An optical vortex having an isolated point singularity is associated with the spatial structure
of light waves. A polarization vortex (vector beam) with a polarization singularity has …
of light waves. A polarization vortex (vector beam) with a polarization singularity has …
Optical vortices in fiber
S Ramachandran, P Kristensen - Nanophotonics, 2013 - degruyter.com
Optical vortex beams, possessing spatial polarization or phase singularities, have intriguing
properties such as the ability to yield super-resolved spots under focussing, and the ability to …
properties such as the ability to yield super-resolved spots under focussing, and the ability to …
Controllable all-fiber orbital angular momentum mode converter
We present a scheme to realize a controllable, scalable, low-cost, and versatile all-fiber
orbital angular momentum (OAM) converter. The converter consists of a two-mode fiber …
orbital angular momentum (OAM) converter. The converter consists of a two-mode fiber …
Twisted optical communications using orbital angular momentum
J Wang - Science China Physics, Mechanics & Astronomy, 2019 - Springer
Angular momentum, a fundamental physical quantity, can be divided into spin angular
momentum (SAM) and orbital angular momentum (OAM) in electromagnetic waves. Helically …
momentum (SAM) and orbital angular momentum (OAM) in electromagnetic waves. Helically …
Generation, transmission and application of orbital angular momentum in optical fiber: A review
M Ma, Y Lian, Y Wang, Z Lu - Frontiers in Physics, 2021 - frontiersin.org
Optical orbital angular momentum (OAM) has become a hot research topic because of its
unique properties due to its spiral distribution of phases. The production and transmission of …
unique properties due to its spiral distribution of phases. The production and transmission of …
A compact trench-assisted multi-orbital-angular-momentum multi-ring fiber for ultrahigh-density space-division multiplexing (19 rings× 22 modes)
We present a compact (130 μm cladding diameter) trench-assisted multi-orbital-angular-
momentum (OAM) multi-ring fiber with 19 rings each supporting 22 modes with 18 OAM …
momentum (OAM) multi-ring fiber with 19 rings each supporting 22 modes with 18 OAM …
Method and device for the laser-based machining of sheet-like substrates
H Schillinger, R Grundmüller - US Patent 10,421,683, 2019 - Google Patents
A method for the laser-based machining of a sheet-like substrate, in order to separate the
substrate into multiple portions, in which the laser beam of a laser for machining the …
substrate into multiple portions, in which the laser beam of a laser for machining the …
Multi-orbital-angular-momentum multi-ring fiber for high-density space-division multiplexing
A compact low-crosstalk multi-ring fiber transmitting multiple orbital angular momentum
(OAM) modes is presented. The multi-OAM-mode multi-ring fiber (MOMRF) consists of 7 …
(OAM) modes is presented. The multi-OAM-mode multi-ring fiber (MOMRF) consists of 7 …