Nano letters
Ultrastrong Plasmon-Phonon Coupling Enabled by Acoustic Graphene Plasmons.
In Ho Lee, Fernando de León-Pérez, Daehan Yoo, Eui-Hyoun Ryu, Tony Low, Joshua D Caldwell, Luis Martín-Moreno, Sang-Hyun Oh
Published: 202510.1021/acs.nanolett.5c04495
Abstract
Vibrational ultrastrong coupling (USC) opens new opportunities for controlling chemical reactivity and advancing mid-infrared nanophotonics. Here, we demonstrate USC in an ultrathin polar dielectric using acoustic graphene plasmons (AGPs). Unlike con…
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