Observation of surface states in a truncated photonic crystal slab

Yurii A. Vlasov, Nikolaj Moll, Sharee J. McNab

Research output: Contribution to journalArticle

Abstract

The effect of lattice termination on the surface states in a two-dimensional truncated photonic crystal slab is experimentally studied in a high-index-contrast silicon-on-insulator system. A single-mode silicon strip waveguide that is separated from the photonic crystal by a trench of variable width is used to evanescently couple to surface states in the surrounding lattice. It is demonstrated that the dispersion of the surface states depends strongly on the specific termination of the lattice.

Original languageEnglish (US)
Pages (from-to)2175-2177
Number of pages3
JournalOptics Letters
Volume29
Issue number18
DOIs
StatePublished - Sep 15 2004
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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