2D FDTD of photonic crystal waveguide

Youtube links:-
http://www.youtube.com/watch?v=OIDwyGsxy8U&feature=related
http://www.youtube.com/watch?v=V11EPHoQhgY&feature=related

Written for Course :-
Computational Electromagnetics, Fall 2011
Department of Electrical Engineering
Indian Institute of Technology Madras (IITM)
Chennai - 600036, India

Authors :-
Sathya Swaroop Ganta, B.Tech., M.Tech. Electrical Engg.
Kayatri, M.S. Engineering Design
Pankaj, 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 Krishnan
Assistant Professor
Department of Electrical Engineering
Indian Institute of Technology Madras
http://www.ee.iitm.ac.in/~ananthk

Description :-

A 4.65 micron x 4.65 micron structure is taken with 7x7 periodic structures of square dimensions (made of silicon i.e n=3.4) having 0.15 micron as the length of a side as a 7x7 square array at the centre of the domain with a separation of 0.45 micron between neighbouring structure both horizontally and vertically. The region in between and surrounding that of the structures are filled with air of refractive index, n=1. A central horizontal line of 7 periodic structures are removed to form a central wave guide through which the light is guided.