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Tunable Broadband Superradiance
In article number 2200393, Zhengchen Liang, Hong Zhang, Wei Wang, and colleagues experimentally demonstrate a tunable broadband superradiance in 2D metal‐dielectric‐metal nanocavity arrays. Rationally designed 3‐mode hybridization enables an emissive superradiant hybrid mode over a broadband visible range, with greatly shortened polariton lifetimes down to 4 femtoseconds...
Subradiance/superradiance, cooperative effects causing suppressed/enhanced radiative decay, are of particular interest in plasmonic systems as they play a very important role in modulating dampings and optical properties of resonant systems. However, subradiance/superradiance are generally limited in narrow spectral range with inaccessible tunability. Realizing broadband subradiant and superradiant...
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