In this paper, soliton pulse generation and collision in chalcogenide As2Se3 glass Photonic Crystal Fiber (PCF) is
numerically studied using our own algorithm developed for
Fourth-Order Runge-Kutta in the Interaction Picture
(RK4IP) method. The numerically obtained value of soliton collision length is found to be in good agreement with the
theoretical value obtained by the inverse scattering transform, thus providing a verification of the accuracy of the method
in solving Generalized Nonlinear Schrödinger Equation (GNLSE). We also calculate the value of wavelength for least
distortion for soliton optical pulses.
Dispersion and resonance properties of double nanorod structure, ring structure, H structure and chair type structure is
demonstrated. With some structural modification, the properties of the structure changes from isotropic to uni-axial
anisotropic and further to chiral left-handed material. The Demonstration of near-field transmission spectrum reveals the
production of the local-field enhancement up to 102 for the green light. Negative real values of both permeability (μ) and
permittivity (ε) for visible light are obtained by applying coupled dipole approximation. The structure modification
exhibits some unique dispersion and resonant properties that may govern imaging applications.
A new simplified structure of highly birefringent chalcogenide As2Se3 glass Photonic Crystal Fiber (PCF) with
low confinement loss is designed and analyzed by using fully-vectorial finite element method. The effective indices,
confinement losses, birefringence and chromatic dispersion of fundamental polarized mode are calculated in the proposed
PCF. It is also shown that As2Se3 glass PCF provides lower chromatic dispersion and less confinement loss compared to
silica PCF of the same structure and hence such chalcogenide As2Se3 glass PCF have high potential to be used in dispersion
compensating and birefringence application in optical communication systems.
In the proposed paper, we present the guiding properties of chalcogenide Photonic Crystal Fiber (PCF) with
square and hexagonal arrangement of air holes in the cladding. The dispersion curves of chalcogenide PCF with different
hole-to-hole spacing and air hole diameter have been calculated. Application specific design of dispersion properties like
zero dispersion at any wavelength and negative dispersion will be reported for chalcogenide PCF. A comparison between
hexagonal and square lattice of chalcogenide PCF has also been performed.
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