Nature materials
Real-space observation of flat-band ultrastrong coupling between optical phonons and surface plasmon polaritons.
Edoardo Vicentini, Xabier Arrieta, Martin Schnell, Nicolas Pajusco, Felix Begemann, Maria Barra Burillo, Maria Ramos, Andrei Bylinkin, Ruben Esteban, Javier Aizpurua, Rainer Hillenbrand
Published: 202510.1038/s41563-025-02412-6
Abstract
Strong and ultrastrong coupling are pivotal phenomena in science and technology, where light-matter hybridization opens new avenues for manipulating quantum states, material properties or chemical reactions. Here we use pump-probe nanospectroscopy fo…
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