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Transverse hypercrystals formed by periodically modulated phonon-polaritons
Hanan Herzig Sheinfux, Minwoo Jung, Lorenzo Orsini +10
Photonic crystals and metamaterials are two overarching paradigms for manipulating light. Combining the two approaches leads to hypercrystals: hyperbolic dispersion metamaterials t…
Photocurrent as a multi-physics diagnostic of quantum materials
Qiong Ma, Roshan Krishna Kumar, Su-Yang Xu +2
The photoexcitation life-cycle from incident photon (and creation of photoexcited electron hole pair) to ultimate extraction of electrical current is a complex multi-physics proces…
Amperean superconductivity cannot be induced by deep subwavelength cavities in a two-dimensional material
Gian Marcello Andolina, Antonella De Pasquale, Francesco Maria Dimitri Pellegrino +3
Amperean superconductivity is an exotic phenomenon stemming from attractive effective electron-electron interactions (EEEIs) mediated by a transverse gauge field. Originally introd…
Hysteresis-Free High Mobility Graphene Encapsulated in Tungsten Disulfide
Karuppasamy Pandian Soundarapandian, Domenico De Fazio, Sefaattin Tongay +1
High mobility is a crucial requirement for a large variety of electronic device applications. The state-of-the-art for high quality graphene devices is based on heterostructures ma…
Giant enhancement of third-harmonic generation in graphene-metal heterostructures
Irati Alonso Calafell, Lee A. Rozema, David Alcaraz Iranzo +13
Nonlinear nanophotonics leverages engineered nanostructures to funnel light into small volumes and intensify nonlinear optical processes with spectral and spatial control. Due to i…
as transparent top gate for near-field experiments
Niels C. H. Hesp, Mark Kamper Svendsen, Kenji Watanabe +4
Independent control of carrier density and out-of-plane displacement field is essential for accessing novel phenomena in two-dimensional material heterostructures. While this is ac…