In this paper, a general method for analyzing arbitrary planar negative-refractive-index (NRI) multilayer slab optical waveguide structures was proposed. Some degenerated examples were introduced to prove the accuracy of the proposed method. The analytical and numerical results show excellent agreement. The method can also be degenerated to analyze arbitrary planar conventional optical waveguide structures. Based on this general method, the analysis and calculation of any kinds of planar NRI slab optical waveguide structures and planar conventional optical waveguide structures can be achieved easily.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7486898 | PMC |
| http://dx.doi.org/10.1038/s41598-020-72017-3 | DOI Listing |
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