Plasmonic transmission color filters with narrow linewidth and enhanced out-of-band suppression

Anabel De Proft; Kristof Lodewijks; Nga P. Pham; Bart Vereecke; Niels Verellen; Roelof A. Jansen; Deniz Sabuncuoglu Tezcan; Pol Van Dorpe; Xavier Rottenberg

doi:10.1117/12.2583081

5 March 2021 Plasmonic transmission color filters with narrow linewidth and enhanced out-of-band suppression

Anabel De Proft, Kristof Lodewijks, Nga P. Pham, Bart Vereecke, Niels Verellen, Roelof A. Jansen, Deniz Sabuncuoglu Tezcan, Pol Van Dorpe, Xavier Rottenberg

Author Affiliations +

Proceedings Volume 11694, Photonic and Phononic Properties of Engineered Nanostructures XI; 1169422 (2021) https://doi.org/10.1117/12.2583081
Event: SPIE OPTO, 2021, Online Only

Conference Poster

Abstract

We investigate hybrid dielectric-metallic transmission color filters for cost-effective, narrow linewidth filters that are fully CMOS compatible. Through the interference of the resonance phenomena in a metallic hole array with a magnetic dipole resonance in a dielectric nanopillar, a narrow linewidth transmission window is opened. An additional metal cover on top of the pillar further suppresses transmission at longer wavelengths due to a localized surface plasmon polariton. FDTD simulations predict a transmission of over 50% and a linewidth of down to 25 nm for the green filter. The out-of-band suppression is lower compared to previously reported metal-insulator-metal filters.

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Anabel De Proft, Kristof Lodewijks, Nga P. Pham, Bart Vereecke, Niels Verellen, Roelof A. Jansen, Deniz Sabuncuoglu Tezcan, Pol Van Dorpe, and Xavier Rottenberg "Plasmonic transmission color filters with narrow linewidth and enhanced out-of-band suppression", Proc. SPIE 11694, Photonic and Phononic Properties of Engineered Nanostructures XI, 1169422 (5 March 2021); https://doi.org/10.1117/12.2583081

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