Observation of surface states in a truncated photonic crystal slab

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

doi:10.1364/OL.29.002175

Observation of surface states in a truncated photonic crystal slab

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

Research output: Contribution to journal › Article › peer-review

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 language	English (US)
Pages (from-to)	2175-2177
Number of pages	3
Journal	Optics Letters
Volume	29
Issue number	18
DOIs	https://doi.org/10.1364/OL.29.002175
State	Published - Sep 15 2004
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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AB - 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.

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Observation of surface states in a truncated photonic crystal slab

Abstract

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