Study of Self Phase Modulation in Chalcogenide Glass Photonic Crystal Fiber

Dabas, Bhawana; Kaushal, Jivesh; Rajput, Monika; Sinha, R. K.

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Home > Applied Mechanics and Materials > Mechanical and Aerospace Engineering > Study of Self Phase Modulation in Chalcogenide...

Paper Title:

Study of Self Phase Modulation in Chalcogenide Glass Photonic Crystal Fiber

Periodical	Applied Mechanics and Materials (Volumes 110 - 116)
Main Theme	Mechanical and Aerospace Engineering
Edited by	Wu Fan
Pages	53-56
DOI	10.4028/www.scientific.net/AMM.110-116.53
Citation	Bhawana Dabas et al., 2011, Applied Mechanics and Materials, 110-116, 53
Online since	October, 2011
Authors	Bhawana Dabas, Jivesh Kaushal, Monika Rajput, R. K. Sinha
Keywords	Chalcogenide Glass, Fully Vectorial Effective Index Method (FVEIM), Photonic Crystal Fiber (PCF), Self Phase Modulation (SPM), Split Step Fourier Method (SSFM)
Price	US$ 28,-

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Abstract

In this paper, Self Phase Modulation (SPM) in chalcogenide As₂Se₃glass Photonic Crystal Fiber (PCF) is numerically studied by combining the fully vectorial effective index method (FVEIM) and Split Step Fourier Method (SSFM). The FVEIM is used to calculate the variation of effective refractive index of guided mode (neff), effective area (A_eff), dispersion and non-linear coefficient (γ) with wavelength for different designs of chalcogenide As₂Se₃PCF. The FVEIM solves the vector wave equations and SSFM solves non linear Schrödinger Equation (NLSE) for the different designing parameter of As₂Se₃PCF. In case of Self Phase Modulation (SPM), spectral width of the obtained output pulse at d/Λ=0.7 is 1.5 times greater than width of the output pulse obtained at d/L=0.3 using SSFM. Thus we can get the desired spectral broadening just by tailoring the design parameters of the PCF.