17 February 2003 Grating assisted optical add drop filter modeling and fabrication
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Proceedings Volume 4833, Applications of Photonic Technology 5; (2003); doi: 10.1117/12.473939
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada
Abstract
The design of a grating assisted directional coupler filter is outlined for a chalcogenide glass based device. The refractive index dispersion for As2Se3 is given and design equations are heuristically developed. Sensitivity analysis of these equations suggests a quick, inexpensive, and effective means to correct for the exponential sensitivity on waveguide separation in directional coupler based designs. Filter characteristics are found with the transfer matrix method and a simple tapering methodology is introduced to allow for realizable devices.
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Robert M Bryce, Ray G. DeCorby, Chris J. Haugen, Ying Y. Tsui, James N. McMullin, "Grating assisted optical add drop filter modeling and fabrication", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); doi: 10.1117/12.473939; https://doi.org/10.1117/12.473939
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KEYWORDS
Directional couplers

Optical filters

Selenium

Waveguides

Chalcogenide glass

Dispersion

Fiber Bragg gratings

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