Dual-core photonic crystal fibers for dispersion compensation

Rakhi Bhattacharya; Swapan Konar

doi:10.1117/1.JNP.6.063520

28 September 2012 Dual-core photonic crystal fibers for dispersion compensation

Rakhi Bhattacharya, Swapan Konar

Author Affiliations +

Funded by: Department of Science and Technology (DST), Government of India, Department of Science and Technology (DST), Government of India, through the R&D, Department of Science and Technology (DST)

Journal of Nanophotonics, Vol. 6, Issue 1, 063520 (September 2012). https://doi.org/10.1117/1.JNP.6.063520

Abstract

The authors designed a new class of dual-core photonic crystal fibers (PCF) composed of several rings of air holes and two concentric cores. The central inner core is circular and made of material with a higher refractive index in comparison to the background material. The outer core is formed by replacing air holes in one or more intermediate rings with a material that possesses a higher refractive index. The dispersion characteristics, effective index, fiber V-parameters, and modal fields of the fundamental mode were investigated using the finite difference time domain method. The dual-core PCFs exhibit large negative dispersion over a wide wavelength range whose largest value is as high as −9000 ps⋅nm −1 ⋅km −1 . The dispersion profile of the fibers can be controlled by controlling the diameter of the higher index region in the intermediate rings and diameter of the inner core.

Citation Download Citation

Rakhi Bhattacharya and Swapan Konar "Dual-core photonic crystal fibers for dispersion compensation," Journal of Nanophotonics 6(1), 063520 (28 September 2012). https://doi.org/10.1117/1.JNP.6.063520

Published: 28 September 2012

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