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Photoinduced tunability of the Reststrahlen band in 4H-SiC
Bryan T. Spann, Ryan Compton, Daniel Ratchford +6
Materials with a negative dielectric permittivity (e.g. metals) display high reflectance and can be shaped into nanoscale optical-resonators exhibiting extreme mode confinement, a…
Graphene stabilization of two-dimensional gallium nitride
Zakaria Y. Al Balushi, Ke Wang, Ram Krishna Ghosh +8
The spectrum of two-dimensional (2D) materials beyond graphene offers a remarkable platform to study new phenomena in condensed matter physics. Among these materials, layered hexag…
Perfect interference-less absorption at infrared frequencies by a van der Waal's crystal
D. G. Baranov, J. H. Edgar, Tim Hoffman +2
Traditionally, efforts to achieve perfect absorption have required the use of complicated metamaterial-based structures as well as relying on destructive interference to eliminate…
Hyperbolic phonon-polaritons in boron nitride for near-field optical imaging
Peining Li, Martin Lewin, Andrey V. Kretinin +6
Optical imaging beyond the diffraction limit was one of the primary motivations for negative-index metamaterials, resulting in Pendry's perfect lens and the more attainable superle…