Dyakonov-Tamm wave guided by a twist defect in a structurally chiral material

Jun Gao, Akhlesh Lakhtakia, John A. Polo, Mingkai Lei

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The boundary-value problem for a Dyakonov-Tamm wave guided by a twist defect in a structurally chiral material and propagating along the bisector of the twist defect was formulated. The resulting dispersion equation was numerically solved. Detailed analysis showed that either two or three different Dyakonov-Tamm waves can propagate, depending on the value of the twist angle. These waves have different phase speeds and degrees of localization to the twist-defect interface.

Original languageEnglish (US)
Pages (from-to)1615-1621
Number of pages7
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume26
Issue number7
DOIs
StatePublished - Jul 1 2009

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Computer Vision and Pattern Recognition

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