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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Dai, Q.I. Weng Cho Chew Yat Hei Lo Liu, Y.G. Li Jun Jiang |
| Copyright Year | 2002 |
| Abstract | A generalized modal expansion theory is presented to investigate and illustrate the physics of wave-matter interaction within arbitrary two-dimensional (2-D) bounded and unbounded electromagnetic problems. We start with the bounded case where the field excited by any sources is expanded with a complete set of biorthogonal eigenmodes. In regard to non-Hermitian or nonreciprocal problems, an auxiliary system is constructed to seek for the modal-expansion solution. We arrive at the unbounded case when the boundary tends to infinity or is replaced by the perfectly matched layer (PML). Modes are approximately categorized into two types: trapped modes and radiation modes, which respond differently to environment variations. When coupled with the source, these modes contribute to the modal-expansion solution with different weights, which leads to a reduced modal representation of the excited field in some geometries. |
| Sponsorship | IEEE Antennas and Propagation Society |
| Starting Page | 1052 |
| Ending Page | 1055 |
| Page Count | 4 |
| File Size | 787873 |
| File Format | |
| ISSN | 15361225 |
| Volume Number | 11 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Cavity resonators Nonhomogeneous media Dielectrics Optical waveguides Eigenvalues and eigenfunctions Geometry Apertures reduced modal representation Eigenproblem with perfectly matched layer (PML) generalized modal expansion |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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