Scientific Results

Finite-Difference Beam Propagation Method for Graphene-Based Devices

Year: 2014

Authors: Capobianco A.-D., Locatelli A., De Angelis C., Boscolo S., Midrio M.

Autors Affiliation: Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Padova, Padova 35131, Italy; Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Brescia, Brescia 25123, Italy; Dipartimento di Ingegneria Elettrica Gestionale e Meccanica, Università degli Studi di Udine, Udine 33100, Italy

Abstract: We propose a novel finite-difference beam propagation method capable of dealing with the discontinuity of the tangential component of the magnetic field induced by bidimensional graphene layers, which can be arbitrarily placed within dielectric media. In stark contrast with conventional numerical solvers, this approach does not require a discretization
step as small as a fraction of the atomic thickness of graphene, allowing ultrafast simulation times. The validity of the method is proved by propagating the plasmonic supermodes of two coupled graphene layers, and the evaluated beat length exhibits excellent agreement with respect to analytical results.

Journal/Review: IEEE PHOTONICS TECHNOLOGY LETTERS

Volume: 26 (10)      Pages from: 1007  to: 1010

KeyWords: Graphene photonics
DOI: 10.1109/LPT.2014.2311173

Citations: 3
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2022-01-16
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