Abstract
We show that a stack of metal-dielectric nanolayers, in addition to the long- and short-range plasmon polaritons, guides also an entire family of modes strongly confined within the multilayer—the bulk plasmon polariton modes. We propose a classification scheme that reflects specific properties of these modes. We report experimental verification of the bulk modes by measuring modal indices in a structure made of three pairs of silica layers.
- Received 1 March 2007
DOI:https://doi.org/10.1103/PhysRevB.75.241402
©2007 American Physical Society