Research Papers

Dual-core photonic crystal fibers for dispersion compensation

[+] Author Affiliations
Rakhi Bhattacharya

Birla Institute of Technology, Department of Applied Physics, Mesra-835215, Ranchi, Jharkhand, India

Swapan Konar

Birla Institute of Technology, Department of Applied Physics, Mesra-835215, Ranchi, Jharkhand, India

J. Nanophoton. 6(1), 063520 (Sep 28, 2012). doi:10.1117/1.JNP.6.063520
History: Received July 19, 2012; Revised August 23, 2012; Accepted August 30, 2012
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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 9000psnm1km1. 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.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Rakhi Bhattacharya and Swapan Konar
"Dual-core photonic crystal fibers for dispersion compensation", J. Nanophoton. 6(1), 063520 (Sep 28, 2012). ; http://dx.doi.org/10.1117/1.JNP.6.063520


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