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- Title
A determination of propagation constants of symmetric planar waveguide modes in a frequency domain.
- Authors
Fitio, V. M.; Romakh, V. V.
- Abstract
In a new method of finding propagation constants of waveguide modes, the Fourier transform to wave equation is used. We change the differential equation by the integral one. Then we represent the latter equation in a discrete form and get the eigenvalue (square propagation constants)/eigenvector (the discrete Fourier transform of appropriate fields of waveguide modes) problem. Usage of symmetry for symmetric planar waveguides allows to expand opportunities of the new method essentially: to reduce the time of numerical calculation almost triply without loss of analysis accuracy or improve calculation accuracy.
- Subjects
THEORY of wave motion; PLANAR waveguides; FREQUENCY-domain analysis; FOURIER transforms; WAVE equation; DISCRETE systems
- Publication
Semiconductor Physics, Quantum Electronics & Optoelectronics, 2014, Vol 17, Issue 3, p252
- ISSN
1560-8034
- Publication type
Article