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Compact three-port optical two-dimensional photonic crystal-based circulator of W-format
Victor Dmitriev1, Marcelo N Kawakatsu, Francisco J M de Souza
1Department of Electrical Engineering, Av. Augusto Correa 01, Belem, Para, Brazil.
Optics Letters
|August 4, 2012
Abstract:
A three-port optical circulator of W-format based on 2D photonic crystal is presented. This circulator is more compact as compared to the known one of the traditional Y-format. The W-circulator does not have rotational symmetry. As a consequence, the frequency responses for different port excitation are slightly different, as it is shown by symmetry analysis and by numerical simulations.
