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Numerical–analytical approach to simulation of mode dispersion in inhomogeneous waveguides
Author(s) -
Komarov Vyacheslav V.
Publication year - 2000
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 - 10.1002/1098-2760(20010205)28:3<204::aid-mop16>3.0.co;2-d
Subject(s) - dispersion (optics) , microwave , mode (computer interface) , finite element method , domain (mathematical analysis) , computational physics , optics , physics , electronic engineering , engineering , mathematical analysis , computer science , mathematics , quantum mechanics , structural engineering , operating system
A new combined technique for the simulation of dispersion curves of modes in partially loaded waveguides is proposed in order to save computer memory. The modeling of dispersion in the fast‐wave domain is carried out using an analytical formula taken from the theory of finlines, and in the slow‐wave domain by means of the finite‐element method. Six testing examples demonstrate the accuracy and efficiency of such an approach. The given technique may be employed both for dominant and high‐order modes. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 28: 204–207, 2001.