2024
DOI: 10.1021/acsomega.4c01009
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Lifetime and Molecular Coupling in Surface Phonon Polariton Resonators

S. Maryam Vaghefi Esfidani,
Marko J. Tadjer,
Thomas G. Folland

Abstract: Surface phonon polariton (SPhP) modes in polar semiconductors offer a low-loss platform for infrared nanophotonics and sensing. However, the efficient design of polariton-enhanced sensors requires a quantitative understanding of how to engineer the frequency and lifetime of SPhPs in nanophotonic structures. Here, we study organ-pipe resonances in 4H-SiC trenches as a prototype system for infrared sensing. We use a transmission line framework that accounts for the field distribution within the trench, accuratel… Show more

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