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Opt Lett. 2003 Dec 15;28(24):2452-4.

Ultracompact resonant filters in photonic crystals.

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1
Centre for Ultrahigh-Bandwidth Devices for Optical Systems, School of Physics, University of Sydney, Sydney, NSW 2006, Australia. twhite@physics.usyd.edu.au

Abstract

A novel design for an ultracompact, high-Q notch-rejection filter is presented, and an analytic expression for the transmission properties is derived. This folded directional coupler shares the properties of a Fabry-Perot resonator and a directional coupler. We compare and contrast the device to high-Q Fabry-Perot cavities in photonic crystal waveguides.

PMID:
14690112
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