Select quantum materials can support polaritons, hybrid light matter waves, with sub-diffraction-limited confinement. In this talk I will overview recent progress on polaritons in hyperbolic materials, which propagate as conical rays throughout the bulk of these crystals. I will discuss polaritons in a class of hyperbolic hetero-bicrystals. Our data reveals negative refraction, spectral gaps and wave localization can occur in these systems.
This Conference Presentation, “Programmable hyperbolic polaritons in van der Waals semiconductors,” was recorded for the Photonics West 2021 Digital Forum.
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