Low-loss volume modes in a lamellar hyperbolic metamaterial slab
Abstract
We have studied, both theoretically and experimentally, the excitation of volume modes in a lamellar metal/dielectric metamaterial with hyperbolic dispersion. The highly efficient light penetration through tens of metamaterial layers is consistent with a relatively low propagation loss. The volume modes were found to be highly sensitive to the surface roughness of the layers, which can be a detrimental factor in device applications.
- Publication:
-
Journal of the Optical Society of America B Optical Physics
- Pub Date:
- April 2020
- DOI:
- 10.1364/JOSAB.376752
- Bibcode:
- 2020JOSAB..37.1065K