Analysis of Optical Characteristics for Photonic Crystal Fiber at Small Core Diameters
Aparna A Nair1, S.K Sudheer2, M. Jayaraju3
1Aparna A Nair, Department of Electronics & Communication Engineering, College of Engineering Trivandrum, Thiruvananthapuram, India.
2S.K Sudheer, Department of Optoelectronics, University of Kerala, Thiruvananthapuram, India.
3M. Jayarju, Agency for Non-conventional Energy and Rural Technology, Thiruvananthapuram, India
Manuscript received on March 22, 2014. | Revised Manuscript received on April 20, 2014. | Manuscript published on April 30, 2014. | PP: 377-380 | Volume-3, Issue-4, April 2014. | Retrieval Number: D3022043414/2013©BEIESP
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Abstract: In the present study photonic crystal of eight ring with modified inner most ring has been considered. The important optical properties like chromatic dispersion, effective area, nonlinear coefficient and confinement loss has been studied. Each characteristic has been investigated under different core diameter of the photonic crystal fiber. Each iteration has been done within range of wavelength 1000nm -1600nm .Using software like COMSOL MULTIPHYSICS and MATLAB, each parameter were realized. This design has made the propagation of electromagnetic waves of higher wavelength through the core under tight confinement. The novel design has made the light of higher wavelength to be trapped inside the core of very small diameters (1μm-3μm).A good confinement loss has been achieved due to increase of the number of rings.
Keywords: Photonic crystal fiber (PCF), Finite Element Method, Chromatic Dispersion, Confinement Loss, and Nonlinear Coefficient.