The use of non-dispersive soliton-like fiber optic vortices to increase the efficiency of ROF systems

In this article, the propagation of soliton-like vortex beams in the optical segment of a Radio-over-Fiber system is discussed. The approach is based on the solution of the nonlinear Schrödinger equation for the Kerr nonlinear medium like optical fiber. A numerical solution of the nonlinear Schrödinger equation for vortex solitons was obtained; the propagation of soliton-like vortices along an optical fiber is simulated. Besides, a phase-amplitude filter that generates optical signals with a given state of the orbital angular momentum and conservation of polarization during propagation through the optical fiber was modeled. The amplitude-phase filter was designated based on the spinor representation of Maxwell’s equations.