Guided modes in a two-dimensional photonic crystal waveguide consisting of nearly-free-electron metals

San Shui Xiao*, Sai Ling He, Fei Zhuang

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Guided modes in a two-dimensional photonic crystal consisting of nearly-free-electron metals are considered. To avoid time-consuming convolution, modified time-stepping formulae are used in a finite-difference time-domain approach. The guided modes in the metallic photonic crystal waveguide are related to those in a conventional metallic waveguide. A cut-off frequency exists, and consequently a mode gap at low frequencies exists in the photonic crystal metallic waveguide.

Original languageEnglish
JournalChinese Physics Letters
Volume18
Issue number10
Pages (from-to)1363-1365
ISSN0256-307X
DOIs
Publication statusPublished - Oct 2001
Externally publishedYes

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