Polaritons in 2D-crystals and localized modes in narrow waveguides

Details Polaritons in 2D-crystals and localized modes in narrow waveguides Polaritons in 2D-crystals and localized modes in narrow waveguides

1998-04-07

arxiv.org/abs/cond-mat/9804074v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

8 pages,3 figures, RevTeX, GIF

Scientific paper

We study 2D-polaritons in an atomically thin dipole-active layer (2D-crystal) placed inside a parallel-plate wavegude, and investigate the possibility to obtain the localized wavegude modes associated with atomic defects. Considering the wavegude width, $l,$ as an adjustable parameter, we show that in the waveguide with $l\sim 10^{4} a,$ where $a$ is the lattice parameter, the localized mode can be provided by a single impurity or a local structural defect.

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