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We discussed reflection spectra of periodic and four well-known quasiperiodic (Thue-Morse, Rudin Shapiro, Cantor, and Fibonacci) which are obtained using FDTD method.
We demonstrated the feasibility of the structures in optical filtering application by comparing it with the ITU-T DWDM standard.
Although it is difficult to achieve the compatibility with the ITU-T DWDM standard with the straight-forward design of these multi-layer structures, these comparisons will pave the way to achieving an optimized versions of these multi-layer structure in the near-future work
Future optimization approach: Inverse design using Particle Swarm Optimization (PSO) or Deep Neural Networks (DNN).
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IEEE/ICACT20220296 Slide.18
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