Exact Mode Field Solutions and Dispersion Characteristics of N-Layered High-Index-Core Bragg Fiber

Abstract

We report here the outcomes of our detailed studies on the propagation and dispersion characteristics of N-layered high-index-core Bragg fiber by the analytical evaluations of the mode effective indices and hence the mode-field distribution.

Experimental results on microwave pulse compression using helically corrugated waveguide

“…This effect mainly depends on the dielectric tube parameters (t d ,  d ) for the former, and the helix characteristics (σ , w, p) for the latter, where  is the conductivity of helix-tape that in our proposed structure is an equivalent dispersive conductivity resulted from hybrid graphene-ribbon and DC-bias facilities of goldribbon as shown in Fig. 4-1.The dependence of the propagation constant in optical and RF waveguides, including shape, size, and inner-coating material layer, has been explored and shown in articles [85][86][87]. In principle, the mode propagation constant can be obtained from the dispersion equation solved from electromagnetic field solutions.…”

Tunable compression of THz chirped pulses using a helical graphene ribbon-loaded hollow-core waveguide

“…This effect mainly depends on the dielectric tube parameters (t s , d ) for the former, and the helix characteristics, (σ g , w, p) for the latter. The dependence of the propagation constant in optical and RF waveguides, including shape and size and inner-coating material layer has been explored and shown in articles [42][43][44] . In principle, the mode propagation constant can be obtained from the dispersion equation solved from electromagnetic field solutions.…”

Propagation Characteristics of Bragg Fiber

“…In each uniform cylindrical layer, the four transverse filed components ( , , and ) can be expressed as a linear combination of any two types of Bessel function [1].We have taken the z-direction as the direction of propagation, longitudinal component of magnetic or electric field will satisfy the Helmholtz equation [9] as given as , is the wave vector in the free space, is the propagation constant and is the refractive index of the mode, A,B,C,D are the coefficients, and m is the azimuthal modal number. When m=0, the modes are decoupled into two polarizations, TE and TM modes.…”