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Nanoscale mapping and spectroscopy of non-radiative hyperbolic modes in hexagonal boron nitride nanostructures
Lisa V. Brown, Marcelo Davanco, Zhiyuan Sun +13
The inherent crystal anisotropy of hexagonal boron nitride (hBN) sustains naturally hyperbolic phonon polaritons, i.e. polaritons that can propagate with very large wavevectors wit…
Active Tuning of Surface Phonon Polariton Resonances via Carrier Photoinjection
Adam D. Dunkelberger, Chase T. Ellis, Daniel C. Ratchford +10
Surface-phonon polaritons (SPhPs) are attractive alternatives to far-infrared plasmonics for sub-diffractional confinement of light. Localized SPhP resonances in semiconductor nano…
Ultra-low-loss Polaritons in Isotopically Pure Materials: A New Approach
Alexander J. Giles, Siyuan Dai, Igor Vurgaftman +12
Conventional optical components are limited to size-scales much larger than the wavelength of light, as changes in the amplitude, phase and polarization of the electromagnetic fiel…