Dynamically configurable, successively switchable multispectral plasmon-induced transparency

Optics Letters
Jietao LiuXiaopeng Shao

Abstract

Plasmon-induced transparency (PIT) in nanostructures has been intensively investigated; however, there are no known metasurface nanostructures that exhibit all optically tunable properties, where the number of transparency windows can be tuned successively and switched to off-state. In this Letter, we theoretically investigate and demonstrate a dynamically tunable, multichannel PIT at optical frequencies. The in-plane destructive interference between bright and dark dipolar resonances in coupled plasmonic nanobar topologies is exploited to produce a tunable PIT with unique characteristics. In particular, we demonstrate a sequential polarization-selective multispectral operation whereby the number of PIT channels can be varied successively from 3 to 0. The results provide a promising route for an active manipulation of PIT and show potential applications for multifunctional dynamic nanophotonics devices.

References

Dec 13, 2006·Physical Review Letters·Feng Wang, Y Ron Shen
Aug 7, 2007·Physical Review Letters·Lukas Novotny
Jan 15, 2008·Nano Letters·Garnett W BryantJavier Aizpurua
Sep 4, 2008·Physical Review Letters·Shuang ZhangXiang Zhang
Dec 31, 2008·Physical Review Letters·N PapasimakisS L Prosvirnin
Jul 1, 2010·Optics Express·Xingri JinWon Ho Jang
Mar 29, 2011·Nano Letters·Alp ArtarHatice Altug
Jun 18, 2011·Science·Na LiuHarald Giessen
Dec 17, 2014·Nature Communications·Yuanmu YangJason Valentine

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