Analysis on Dispersion & Propagation Optical Fiber of Different Materials at Different Temperatures
Journal Title: American journal of Engineering Research - Year 2016, Vol 5, Issue 10
Abstract
Temperature dependent Sell Meier coefficients are necessary for determining different optical design parameters which are important for optical fiber communication system. These coefficients are calculated for fused Silica (SiO2), Aluminosilicate and Vicar Glasses, to find the dependence of chromatic dispersion on temperature and at any wavelengths encompassing the profile dispersion parameter. In this paper, we analyzed the zero-dispersion wavelengths, for single mode fiber is modeled and investigated for all three materials, considering step-index fiber model. Temperature effects on zero-dispersion wavelengths, are also investigated for a wide range (-120 0 C to 120 0 C) as well as including the relative refractive index difference. The two important modal properties, the effective area and power propagation through the fiber are calculated first solely and then considering the perfectly matched layer. It was found that the power propagation increased and the corresponding effective area decreased due to the use of perfectly matched layer which strongly supports the theory of confinement of light within the core region. We calculated the dependence of modal birefringence and polarization mode dispersion upon wavelength for different fiber materials. We also determined the sensitivities of these two parameters to temperature. Our results show that in the analyzed spectral range both modal birefringence and polarization mode dispersion decreases with wavelength.
Authors and Affiliations
Md. Fuzlul Karim1 ,, Md. Faruque Islam2 ,, Tanwy Barua3 ,, Shakh Md. Alimuzjaman Alim4
Keywords
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