2D FDTD of waveguide splitter/combiner 1.0

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2D FDTD simulation of light in a waveguide splitter/combinerWritten for Course :-Computational Electromagnetics, Fall 2011Department of Electrical EngineeringIndian Institute of Technology Madras (IITM)Chennai - 600036, IndiaAuthors :-Sathya Swaroop Ganta, B.Tech., M.Tech. Electrical Engg.Kayatri, M.S. Engineering DesignPankaj, M.S. Electrical Engg.Sumantra Chaudhuri, M.S. Electrical Engg.Projesh Basu, M.S. Electrical Engg.Nikhil Kumar CS, M.S. Electrical Engg.Instructor :-Dr. Ananth KrishnanAssistant ProfessorDepartment of Electrical EngineeringIndian Institute of Technology MadrasA waveguide splitter combiner is made of 3 parallel ridges with a small gap in between. Due to modal nature of light, light passed into the central waveguide, leaks into the neighboring waveguides in an analytically fathomable coupling length. The leaked light travels back intothe central waveguide in another coupling length and this goes on and on. Here, there is a 20 micron x 8 micron platform is taken with 3 parallel horizontal ridge waveguides (made of silica i.e n=1.5) of 1 micron width and 20 microns length lying on the centre of the 8 micron width of the platform. They are separated by a distance of 0.25 microns. The region in between and surrounding that of the waveguides are filled with air of refractive index, n=1.

Requirements: No special requirements

Platforms: Matlab

Keyword: Analytically, Coupling, Fathomable, Leaked, Leaks, Length, Neighboring, Travels, Waveguides

Users rating: 0/10

License: Shareware

Size: 10 KB

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