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Efficient coupling of light to graphene plasmons by compressing surface polaritons with tapered bulk materials
A. Y. Nikitin, P. Alonso-Gonzalez, R. Hillenbrand
Graphene plasmons promise exciting nanophotonic and optoelectronic applications. Owing to their extremely short wavelengths, however, the efficient coupling of photons to graphene…
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…
Acoustic Graphene Plasmon Nanoresonators for Field Enhanced Infrared Molecular Spectroscopy
S. Chen, M. Autore, J. Li +6
Field-enhanced infrared molecular spectroscopy has been widely applied in chemical analysis, environment monitoring, and food and drug safety. The sensitivity of molecular spectros…
Nanofocusing of Hyperbolic Phonon-Polaritons in a Tapered Boron Nitride Slab
A. Y. Nikitin, E. Yoxall, M. Schnell +6
Nanofocusing of light offers new technological opportunities for the delivery and manipulation of electromagnetic fields at sub-diffraction limited length scales. Here, we show tha…
Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit
Marta Autore, Peining Li, Irene Dolado +10
Enhanced light-matter interactions are the basis of surface enhanced infrared absorption (SEIRA) spectroscopy, and conventionally rely on plasmonic materials and their capability t…