The paper is focused on the design of optical components based on plasmonic multi-slot directional couplers. In particular, the design of an all-optical gate is proposed, whose operation is based on the coupling between three plasmonic slots. The device input wavelength is 1550 nm, typical of long-haul telecommunication systems. The device footprint is as small as 11×6 µm 2 and the contrast ratio as an AND gate is about 5.8 dB. The two well-known Finite-Difference Time-Domain (FDTD) and Finite-Difference Eigenmode (FDE) methods are used for the device simulation and optimization.

Simulation and design of plasmonic directional couplers: application to interference-based all-optical gates / Ghomashi, Mohammadamin; Tibaldi, Alberto; Bertazzi, Francesco; Vallone, Marco; Goano, Michele; Ghione, Giovanni. - ELETTRONICO. - (2021), pp. 117-118. (Intervento presentato al convegno 2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) tenutosi a Turin, Italy nel 13-17 Settembre 2021) [10.1109/NUSOD52207.2021.9541454].

Simulation and design of plasmonic directional couplers: application to interference-based all-optical gates

Ghomashi, Mohammadamin;Tibaldi, Alberto;Bertazzi, Francesco;Vallone, Marco;Goano, Michele;Ghione, Giovanni
2021

Abstract

The paper is focused on the design of optical components based on plasmonic multi-slot directional couplers. In particular, the design of an all-optical gate is proposed, whose operation is based on the coupling between three plasmonic slots. The device input wavelength is 1550 nm, typical of long-haul telecommunication systems. The device footprint is as small as 11×6 µm 2 and the contrast ratio as an AND gate is about 5.8 dB. The two well-known Finite-Difference Time-Domain (FDTD) and Finite-Difference Eigenmode (FDE) methods are used for the device simulation and optimization.
2021
978-1-6654-1276-6
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2929022