Pole-Zero Diagram Approach to the Design of Coupled Ring Resonator-Arrays for Photonic Applications

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Abstract
Pole-zero diagrams are often employed in electronic filter design because of their simple and direct visualization of spectral characteristics. This paper proposes the use of pole-zero diagrams for tailoring the spectral response of ring resonator array filters for photonic applications. We show that there exist close relations between the pole-zero diagram features of the resonator array and its wavelength response characteristics, and demonstrate that the pole-zero diagram approach could be a very useful tool in the design of photonic devices based on resonator filters. In particular, we employ the pole-zero diagram approach for the case of a parallel-coupled ring resonator array for interleaving, and use this method to produce a new low crosstalk design.
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Kaalund, Christopher
Peng, Gang-Ding
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Publication Year
2003
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Conference Paper
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UNSW Faculty
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download 2003-SPIE-5181-33-41.pdf 136.82 KB Adobe Portable Document Format
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