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Improving the coupled‐mode method by means of step functions: Application to partial‐height isotropic or anisotropic dielectric parallel‐plate waveguides
Author(s) -
Gómez Álvaro,
Ipiña Juan S.,
Solano Miguel A.,
Prieto Andrés,
Vegas Ángel
Publication year - 2002
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.10337
Subject(s) - discontinuity (linguistics) , anisotropy , isotropy , microwave , dielectric , convergence (economics) , mode (computer interface) , field (mathematics) , optics , materials science , engineering , computational physics , computer science , engineering physics , physics , optoelectronics , mathematical analysis , mathematics , telecommunications , pure mathematics , economic growth , economics , operating system
The main drawback of the coupled‐mode method is the poor convergence and accuracy of the discontinuous field components. The greater the discontinuity, the worse these problems become. This Letter presents an improvement of the method, allowing this drawback to be minimized. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 408–414, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10337