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Opt Lett. 2007 Aug 1;32(15):2185-7.

Transmission characteristics of photonic crystal waveguides with stubs and their application to optical filters.

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1
Graduate School of Science and Technology, Shizuoka University, Hamamatsu, 432-8011 Japan. tekogus@ipc.shizuoka.ac.jp

Abstract

We study the transmission characteristics of a photonic crystal waveguide with a single stub of a finite length and propose a double-stub waveguide structure for its application to optical filters. The proposed device operates as a Fabry-Perot interferometer and can be used as a broad bandstop filter and a narrow bandpass filter. These filters are inherently compact and their center frequency is given by the resonant frequency of the stub.

PMID:
17671578
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