Abstract
An accurate and efficient numerical method is developed for computing
leaky modes of two-dimensional photonic crystal (PhC) waveguides
corresponding to line defects surrounded by finite PhCs. The method
reformulates the eigenvalue problem on a single edge of the defect cell and
uses exact boundary conditions at the edges of the surrounding PhC. Unlike
previous works for leaky modes, perfectly matched layers or other absorbing
boundary conditions are avoided.
© 2010 IEEE
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