Abstract
Orbital angular momentum (OAM) is generated using circular-photonic crystal fiber (C-PCF), which is used as a key solution for higher data communication. This C-PCF steadily supports 80 OAM modes and 2 linear polarization modes from 1- to 2.5-μm wavelengths with low confinement loss (CL), very high nonlinearity, and flat dispersion. The average CL is 1.26 × 105 W − 1 km − 1 at 1-μm wavelength that is essential for the generation of the supercontinuum, biomedical imaging, and several nonlinear optical applications. With all these good features, this proposed optical fiber is promising for application in fiber-based OAM high-capacity communication systems.
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