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17 March 1995 Compound triple-coupler ring resonators for selective filtering applications in optical FDM transmission systems
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Abstract
We present the theoretical analysis of a compound configuration of two triple-coupler ring- based resonators (CTCRR) with different radii. Transmittance characteristics of the CTCRR are derived, and their dependence on the amplitude coupling ratios of the directional couplers are studied to determine optimum design relationships. The CTCRR performance is compared to that of a double ring resonator (DRR) configuration reported in literature. It is shown that the CTCRR features double free spectral range (FSR), higher transmission at resonance, and better crosstalk than a DRR with same radii of curvature, waveguide propagation loss, and finesse. The CTCRR results particularly attractive for frequency selective filtering applications in optical FDM systems, where wide FSR systems, where wide FSR and low insertion loss requirements have to be met.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Giovanni Barbarossa, Anna Maria Matteo, and Mario Nicola Armenise "Compound triple-coupler ring resonators for selective filtering applications in optical FDM transmission systems", Proc. SPIE 2401, Functional Photonic Integrated Circuits, (17 March 1995); https://doi.org/10.1117/12.205024
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