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Refractive index sensing with Fano resonances in silicon oligomers

Chong, Katie E.; Orton, Henry; Staude, Isabelle; Decker, Manuel; Miroshnichenko, Andrey; Brener, Igal; Kivshar, Yuri; Neshev, Dragomir


We demonstrate experimentally refractive index sensing with localized Fano resonances in silicon oligomers, consisting of six disks surrounding a central one of slightly different diameter. Owing to the low absorption and narrow Fano-resonant spectral features appearing as a result of the interference of the modes of the outer and the central disks, we demonstrate refractive index sensitivity of more than 150 nm RIU−1 with a figure of merit of 3.8

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Philosophical Transactions of the Royal Society Series A
DOI: 10.1098/rsta.2016.0070


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