In recent years, vortex beams with orbital angular momentum (OAM) have attracted more
and more attention. The wavefront of the OAM beams is helical, the intensity at the center of …

In optical fiber, the Orbital Angular Momentum (OAM) mode is a special mode with spatially
infinite orthogonality. It provides a new multiplexing method to the communication capacity …

We experimentally demonstrated a high-order optical vortex pulsed laser based on a mode
selective all-fiber fused coupler composed of a single-mode fiber (SMF) and a few-mode …

Mode-division multiplexing (MDM) is a promising technology for increasing the data-carrying
capacity of a single few-mode optical fiber. The flexible mode manipulation would be highly …

High-order orbital angular momentum (OAM) modes, namely, OAM_+ 5 and OAM_+ 6, were
generated and demonstrated experimentally by twisting a solid-core hexagonal photonic …

We demonstrate orbital-angular momentum (OAM) light up to a topological charge of l= 3
behind a single mode fiber. Femtosecond 3D direct laser writing is used to fabricate spiral …

Featured Application In this paper, the basic concepts of fiber modes, the principle of
generation and detection of orbital angular momentum (OAM) modes are exhaustive …

We experimentally demonstrate two kinds of all few-mode fiber (FMF) ring lasers with high-
order mode (HOM) oscillation in the laser cavity. One kind is a switchable-wavelength all …

As two groups of bases in fibers, cylindrical vector (CV) modes and the orbital angular
momentum (OAM) modes can be transformed into each other. Several transformation …

Photonic spatial quantum states are a subject of great interest for applications in quantum
communication. One important challenge has been how to dynamically generate these …