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Analysis of a two‐octave polarization rotator using the method of equivalent boundary conditions
Author(s) -
Pereyaslavets Michael L.,
Kastner Raphael
Publication year - 1994
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.4650070413
Subject(s) - fast fourier transform , computation , conjugate gradient method , octave (electronics) , polarization (electrochemistry) , mathematics , boundary value problem , mathematical analysis , acoustics , physics , algorithm , chemistry
A rapid analysis of a two‐octave, 45° polarization rotator is achieved by the approximate method of equivalent boundary conditions (EBC). Results achieved by this approximation and the conjugate gradient‐FFT (CG‐FFT) appear to be closely matched, with differences well within measurement error. Computation speed is significantly improved when compared with purely numerical techniques. © 1994 John Wiley & Sons, Inc.