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Modeling and simulation of photonic devices by generalized space mapping technique

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2 Author(s)
Ning-Ning Feng ; Dept. of Electr. & Comput. Eng., McMaster Univ., Hamilton, Ont., Canada ; Wei-Ping Huang

The generalized space mapping (GSM) technique is employed for modeling and simulation of photonic devices. The mapping is established between the parameter spaces of coarse and fine models so that accuracy of the coarse model is significantly improved for a given range of parameters. To demonstrate the usefulness of this technique, modeling and simulation of an optical waveguide facet is used as an application example. Two methods are adopted for the coarse model, i.e., the transfer matrix method (TMM) and the free space radiation mode (FSRM) method. The time-intensive and accurate finite-difference time-domain (FDTD) method is used as the fine model for model calibration. The mapping-enhanced coarse models show significant improvement in terms of accuracy. Further, a criterion is established to measure the accuracy of the coarse models. It is shown that the FSRM is one order of magnitude more accurate than the TMM for the TE case, however, the two methods have almost the same level of accuracy for the TM case.

Published in:

Journal of Lightwave Technology  (Volume:21 ,  Issue: 6 )