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physics.optics2026
Probing individual phonon-polaritonic nanoparticle-on-mirror cavities by infrared nanospectroscopy
Isabel Pascual Robledo, Iker Herrero León, Karol Kołataj +4
Nanoparticle-on-mirror (NPoM) cavities enable extreme light confinement and strong light-matter interactions, but their realization with phonon-polariton materials in the mid-infra…
physics.optics2025★ 1 cited
In-operando control of sum-frequency generation in tip-enhanced nanocavities
Philippe Roelli, Isabel Pascual, Iris Niehues +2
Sum-frequency generation (SFG) is a second-order nonlinear process widely used for characterizing surfaces and interfaces with monolayer sensitivity. Recently, optical field enhanc…