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Ultrastrong plasmon-phonon coupling via epsilon-near-zero nanocavities
Daehan Yoo, Fernando de León-Pérez, In-Ho Lee +6
Vibrational ultrastrong coupling (USC), where the light-matter coupling strength is comparable to the vibrational frequency of molecules, presents new opportunities to probe the in…
Impact of surface roughness in nanogap plasmonic systems
Cristian Ciracì, Ferran Vidal-Codina, Daehan Yoo +3
Recent results have shown unprecedented control over separation distances between two metallic elements hundreds of nanometers in size, underlying the effects of free-electron nonl…
Waveguide-Integrated Mid-Infrared Plasmonics with High-Efficiency Coupling for Ultracompact Surface-Enhanced Infrared Absorption Spectroscopy
Daniel A. Mohr, Daehan Yoo, Che Chen +2
Waveguide-integrated plasmonics is a growing field with many innovative concepts and demonstrated devices in the visible and near-infrared. Here, we extend this body of work to the…