Defect mode computation in two-dimensional photonic crystals consisting of nearly-free-electron metals

San Shui Xiao*, Sai Ling He, Qing Chun Lin, Lin Fang Shen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Defect modes in two-dimensional photonic crystals consisting of nearly-free-electron metals are considered. To avoid any time-consuming time convolution, modified time stepping formulae are used in a finite-difference time-domain (FDTD) method. Compared to the FDTD transmission spectra method, the present method significantly reduces the computation domain. With the present method one can also find defect modes that are not excited by the incident plane wave in the FDTD transmission spectra method.

Original languageEnglish
JournalChinese Physics Letters
Volume18
Issue number9
Pages (from-to)1218-1221
ISSN0256-307X
DOIs
Publication statusPublished - Sep 2001
Externally publishedYes

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