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 …

In this research, a photonic crystal fiber (PCF)-based sulfuric acid detector is proposed and
investigated to identify the exact concentration of sulfuric acid in a mixture with water. In …

A novel photonic crystal fiber (PCF) based on silica is designed for stable transmission of
orbital angular momentum (OAM) modes. Numerical analysis shows that the PCF can …

With the development of orbital angular momentum (OAM) photonic crystal fibers (PCFs) for
more efficient communication, fiber claddings are important to the performance. In this …

The mode-matching/finite-element (MM/FE) method based on complex power matching is
applied for the design of strongly guiding coupled ring-core fibers (RCFs) to modulate orbital …

Future advances in information transmission technology require better capacities for fiber
optics communication. As a new degree of freedom, the orbital angular momentum (OAM) …

Mode‐division multiplexing (MDM) techniques based on various spatial mode bases are of
great significance in satisfying the demand for efficient capacity scaling. With the …

In this research, a photonic crystal fiber (PCF)-based sulfuric acid detector is proposed and
investigated to identify the exact concentration of sulfuric acid in a mixture with water. In …