Detail publikace
Grafen na optickém vlnovodu: srovnání simulačních přístupů
ČTYROKÝ, J. PETRÁČEK, J. KWIECIEN, P. RICHTER, I KUZMIAK, V.
Český název
Grafen na optickém vlnovodu: srovnání simulačních přístupů
Anglický název
Graphene on an optical waveguide: comparison of simulation approaches
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
en
Originální abstrakt
Recently, unusual properties of novel two-dimensional materials like graphene have revolutionized many branches of science and technology. Adequate numerical simulations of photonic devices comprising graphene layers require new approaches or modified methods. In this paper we present comparison of results obtained with three representations of a graphene monolayer: (1) an infinitely thin sheet with a finite surface complex conductivity, (2) a thin layer of a finite thickness exhibiting uniaxially anisotropic complex permittivity, and (3) anisotropic permittivity perturbation in an infinitely small volume. Numerical solutions of rigorous dispersion equations were compared to each other and also with the results obtained with several commercial as well as proprietary software packets. Under proper conditions, all approaches provide comparable results.
Český abstrakt
Neobvyklé vlastnosti nových dvourozměrných materiálů, jako je grafen, způsobily revoluci v mnoha oborech vědy a techniky. Adekvátní numerické simulace fotonických zařízení obsahujících grafenové vrstvy vyžadují nové přístupy nebo modifikované metody. Předkládáme podrobné srovnání výsledků získaných pomocí tří reprezentací monovrstvy grafenu: (i) nekonečně tenká vrstva s konečnou vodivostí, (ii) tenká vrstva konečné tloušťky vykazující jednoosou anizotropní komplexní permitivitu a (iii) porucha permitivity v nekonečně malém objemu.
Anglický abstrakt
Recently, unusual properties of novel two-dimensional materials like graphene have revolutionized many branches of science and technology. Adequate numerical simulations of photonic devices comprising graphene layers require new approaches or modified methods. In this paper we present comparison of results obtained with three representations of a graphene monolayer: (1) an infinitely thin sheet with a finite surface complex conductivity, (2) a thin layer of a finite thickness exhibiting uniaxially anisotropic complex permittivity, and (3) anisotropic permittivity perturbation in an infinitely small volume. Numerical solutions of rigorous dispersion equations were compared to each other and also with the results obtained with several commercial as well as proprietary software packets. Under proper conditions, all approaches provide comparable results.
Klíčová slova anglicky
Graphene; Optical waveguides; Numerical simulations; Perturbation method; Boundary condition method; Volumetric method
Vydáno
25.02.2020
Nakladatel
SPRINGER
Místo
DORDRECHT
ISSN
0306-8919
Ročník
52
Číslo
3
Strany od–do
149-1–149-14
Počet stran
14
BIBTEX
@article{BUT162495,
author="Jiří {Čtyroký} and Jiří {Petráček},
title="Graphene on an optical waveguide: comparison of simulation approaches",
year="2020",
volume="52",
number="3",
month="February",
pages="149-1--149-14",
publisher="SPRINGER",
address="DORDRECHT",
issn="0306-8919"
}