Actively Tunable Fano Resonance Based on a T-Shaped Graphene Nanodimer
Plasmonics, ISSN: 1557-1963, Vol: 11, Issue: 2, Page: 381-387
2016
- 46Citations
- 12Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
We present the strength modulation and frequency tuning of Fano resonance by employing a graphene nanodimer formed by two coplanar perpendicular nanostrips with different dimensions. The Fano resonance is induced by destructive interference between the bright dipole mode of a short nanostrip and the dark quadrupole mode of a long nanostrip. The strength, line width, and resonance frequency of the Fano resonance can be actively modulated by changing the spatial separation of those two graphene nanostrips and the Fermi energy of the graphene nanodimer, respectively, without re-fabricating the nanostructures. The tuning of the strength and resonance frequency can be attributed to the coupling strength and optical properties of graphene, respectively. Importantly, a figure of merit value as high as 39 is achieved in the proposed nanostructures. Our results may provide potential applications in optical switching and bio-chemical sensing.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84961180013&origin=inward; http://dx.doi.org/10.1007/s11468-015-0058-4; http://link.springer.com/10.1007/s11468-015-0058-4; http://link.springer.com/content/pdf/10.1007/s11468-015-0058-4; http://link.springer.com/content/pdf/10.1007/s11468-015-0058-4.pdf; http://link.springer.com/article/10.1007/s11468-015-0058-4/fulltext.html; https://dx.doi.org/10.1007/s11468-015-0058-4; https://link.springer.com/article/10.1007/s11468-015-0058-4
Springer Science and Business Media LLC
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