Design of an optimized graphene plasmonic splitter utilizing higher-order mode propagation

Stamatios A. Amanatiadis; Nikolaos V. Kantartzis

doi:10.1117/12.2578188

5 March 2021 Design of an optimized graphene plasmonic splitter utilizing higher-order mode propagation

Stamatios A. Amanatiadis, Nikolaos V. Kantartzis

Proceedings Volume 11685, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV; 116850U (2021) https://doi.org/10.1117/12.2578188
Event: SPIE OPTO, 2021, Online Only

Abstract

The efficient stimulation of a graphene microstrip plasmoni splitter via higher-order mode propagation is proposed in the current work. Initially, graphene waveguiding systems are investigated thoroughly in terms of the supported propagating modes and their potential excitation. Specifically, the microstrip apparatus is examined focusing on the distribution of bulk modes. This analysis indicates that the transition of a higher-order mode to a lower one is potentially smooth if an appropriately selected microstrip width is utilized. Consequently, an effective graphene plasmonic device is designed and stimulated via a higher-order bulk mode that equally splits the propagating surface wave to separated microstrips. The latter supports a lower-order mode and it is evaluated that the undesired back-reflected waves are minimized. Moreover, a thorough performance analysis is numerically conducted by means of a flexible Finite-Difference Time-Domain algorithm validating the remarkable functionality at a wide frequency range.

Conference Presentation

Citation Download Citation

Stamatios A. Amanatiadis and Nikolaos V. Kantartzis "Design of an optimized graphene plasmonic splitter utilizing higher-order mode propagation", Proc. SPIE 11685, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV, 116850U (5 March 2021); https://doi.org/10.1117/12.2578188

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