Waveguiding properties of surface states in photonic crystals
arXiv:physics/0510273 · doi:10.1364/JOSAB.23.001679
Abstract
We propose and analyze novel surface-state-based waveguides in bandgap photonic crystals. We discuss surface mode band structure, field localization and effect of imperfections on the waveguiding properties of the surface modes. We demonstrate that surface-state-based waveguides can be used to achieve directional emission out of the waveguide. We also discuss the application of the surface-state waveguides as efficient light couplers for conventional photonic crystal waveguides.
4 pages 5 figures
References in corpus (4)
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- Local density of states analysis of surface wave modes on truncated photonic crystal surfaces with nonlinear material