Manipulation and Steering of Hyperbolic Surface Polaritons in Hexagonal Boron Nitride
Source abstract
Abstract
Abstract Hexagonal boron nitride (hBN) is a natural hyperbolic material that supports both volume‐confined hyperbolic polaritons and sidewall‐confined hyperbolic surface polaritons (HSPs). In this work, efficient excitation, control, and steering of HSPs are demonstrated in hBN through engineering the geometry and orientation of hBN sidewalls. By combining infrared nanoimaging and numerical simulations, the reflection, transmission, and scattering of HSPs are investigated at the hBN corners with various apex angles. It is also shown that the sidewall‐confined nature of HSPs enables a high degree of control over their propagation by designing the geometry of hBN nanostructures.
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Research context
OpenAlex topics: Metamaterials and Metasurfaces Applications · Plasmonic and Surface Plasmon Research · Thermal Radiation and Cooling Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics University of California San Diego, La Jolla CA 92093 USA
Department of Electrical and Computer Engineering The University of Texas at Austin Austin TX 78712 USA
Department of Physics Massachusetts Institute of Technology Cambridge MA 02215 USA
National Institute for Materials Science Namiki 1‐1 Tsukuba Ibaraki 305‐0044 Japan
Department of Physics Columbia University New York NY 10027 USA
Funding
Gordon and Betty Moore Foundation · Air Force Office of Scientific Research · Office of Naval Research
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