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Grande M, Vincenti MA, Stomeo T, et al. Graphene-based perfect optical absorbers harnessing guided mode resonances. Opt Express. 2015;23(16):21032-42doi: 10.1364/OE.23.021032.
Grande, M., Vincenti, M. A., Stomeo, T., Bianco, G. V., de Ceglia, D., Aközbek, N., Petruzzelli, V., Bruno, G., De Vittorio, M., Scalora, M., & D'Orazio, A. (2015). Graphene-based perfect optical absorbers harnessing guided mode resonances. Optics express, 23(16), 21032-42. https://doi.org/10.1364/OE.23.021032
Grande, M, et al. "Graphene-based perfect optical absorbers harnessing guided mode resonances." Optics express vol. 23,16 (2015): 21032-42. doi: https://doi.org/10.1364/OE.23.021032
Grande M, Vincenti MA, Stomeo T, Bianco GV, de Ceglia D, Aközbek N, Petruzzelli V, Bruno G, De Vittorio M, Scalora M, D'Orazio A. Graphene-based perfect optical absorbers harnessing guided mode resonances. Opt Express. 2015 Aug 10;23(16):21032-42. doi: 10.1364/OE.23.021032. PMID: 26367955.
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Opt Express. 2015 Aug 10;23(16):21032-42. doi: 10.1364/OE.23.021032.

Graphene-based perfect optical absorbers harnessing guided mode resonances.

Optics express

M Grande, M A Vincenti, T Stomeo, G V Bianco, D de Ceglia, N Aközbek, V Petruzzelli, G Bruno, M De Vittorio, M Scalora, A D'Orazio

PMID: 26367955 DOI: 10.1364/OE.23.021032

Abstract

We investigate graphene-based optical absorbers that exploit guided mode resonances (GMRs) attaining theoretically perfect absorption over a bandwidth of few nanometers (over the visible and near-infrared ranges) with a 40-fold increase of the monolayer graphene absorption. We analyze the influence of the geometrical parameters on the absorption rate and the angular response for oblique incidence. Finally, we experimentally verify the theoretical predictions in a one-dimensional, dielectric grating by placing it near either a metallic or a dielectric mirror, thus achieving very good agreement between numerical predictions and experimental results.

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