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Two-Stage Perfectly Matched Layer for the Analysis of Plasmonic Structures

Kyung-Young JUNG, Saehoon JU, Fernando L. TEIXEIRA

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Summary :

We present an improved perfectly matched layer (PML) for the analysis of plasmonic structures, based on the manipulation of PML parameters. Two different types of stretched coordinate PML are employed sequentially in the spatial domain: a real stretched coordinate PML to increase the effective buffer space around plasmonic structures and a complex stretched coordinate PML to absorb outgoing waves and terminate the computational domain. Numerical examples show that a significant increase in computational efficiency is obtained because the proposed PML can be placed closer to plasmonic structures than the regular PML without affecting the field distribution of bound modes.

Publication
IEICE TRANSACTIONS on Electronics Vol.E93-C No.8 pp.1371-1374
Publication Date
2010/08/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E93.C.1371
Type of Manuscript
BRIEF PAPER
Category
Electromagnetic Theory

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