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Integration of atomically thin layers of transition metal dichalcogenides into high-Q, monolithic Bragg-cavities - an experimental platform for the enhancement of optical interaction in 2D-materials
Heiko Knopf, Nils Lundt, Tobias Bucher +8
We demonstrate a new approach to integrate single layer MoSeR2R and WSeR2R flakes into monolithic all-dielectric planar high-quality micro-cavities. These distributed-Bragg-reflect…
Probing hyperbolic polaritons using infrared attenuated total reflectance micro-spectroscopy
Thomas G. Folland, Tobias W. W. Maß, Joseph R. Matson +7
Hyperbolic polariton modes are highly appealing for a broad range of applications in nanophotonics, including surfaced enhanced sensing, sub-diffractional imaging and reconfigurabl…
THz nanofocusing with cantilevered THz-resonant antenna tips
S. Mastel, M. Lundeberg, P. Alonso-Gonzalez +7
We developed THz-resonant scanning probe tips, yielding strongly enhanced and nanoscale confined THz near fields at their tip apex. The tips with length in the order of the THz wav…
Characterization of the second- and third-harmonic optical susceptibilities of atomically thin tungsten diselenide
Henrique G. Rosa, Ho Yi Wei, Ivan Verzhbitskiy +6
We report the first detailed characterization of the sheet third-harmonic optical susceptibility, , of tungsten diselenide (WSe). With a home-built confocal micr…