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City Philadelphia / Kowloon / Beijing / / Company Lj / A22 A21 / Quantum Electronics / PML / / Country China / / Currency pence / cent / / Facility City University of Hong Kong / Institute of Applied Physics / Building Blocks / / IndustryTerm parabolic equation algorithms / transverse operator / reference solution / square root operator / guided-wave photonic devices / important photonic devices / nonsymmetric linear systems / numerical solutions / approximate solution / / Organization Department of Mathematics / City University of Hong Kong / African Union / Institute of Applied Physics and Computational Mathematics / Research Grants Council of Hong Kong Special Administrative Region / / Person Hua Wei / / ProvinceOrState Pennsylvania / / Technology radiation / simulation / parabolic equation algorithms / dielectric / / SocialTag 
A New Iterative Bidirectional Beam Propagation Method Ya Yan Lu∗ and Su Hua Wei† Abstract A new bidirectional beam propagation method is developed for numerical simulation of wave-guiding structures with multiple lon