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Authors: Y. Ye, D. Spina, W. Bogaerts, T. Dhaene
Title: Baseband Macromodeling of Linear Photonic Circuits for Time-Domain Simulations
Format: International Journal
Publication date: 1/2019
Journal/Conference/Book: Journal of Lightwave Technologies
Volume(Issue): 37(4)
DOI: 10.1109/JLT.2019.2893545
Citations: 7 ( - last update: 25/2/2024)
1 (OpenCitations - last update: 19/4/2024)
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In this paper, we propose a novel baseband macromodeling framework for linear passive photonic circuits, which can build accurate and compact models while taking into account the imperfections, such as higher-order dispersion, wavelength dependent loss, in the circuits. Compared to previous modeling method based on the Vector Fitting (VF) technique, the new proposed modeling approach leverages on the novel Complex Vector Fitting (CVF) technique proposed in this work and can generate half size state-space model for the same applications, thereby achieving a major improvement of the efficiency of the time-domain simulation. The modeling framework takes only scattering parameters as input which are widely used to represent linear and passive systems and can be obtained by simulation and measurement, and can build compact models without further knowledge about circuits under study. Two suitable examples are presented to demonstrate the accuracy and efficiency of the proposed technique.

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