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Silicon waveguides with graphene: coupling of waveguide mode to surface plasmons
- 1.0538223 - ÚFE 2021 RIV GB eng J - Journal Article
Čtyroký, Jiří - Petráček, J. - Kuzmiak, Vladimír - Kwiecien, P. - Richter, I.
Silicon waveguides with graphene: coupling of waveguide mode to surface plasmons.
Journal of Optics. Roč. 22, č. 9 (2020), č. článku 095801. ISSN 2040-8978. E-ISSN 2040-8986
R&D Projects: GA ČR(CZ) GA19-00062S
Institutional support: RVO:67985882
Keywords : Electrooptic modulation * Graphene * Silicon photonics * Surface plasmons
OECD category: Optics (including laser optics and quantum optics)
Impact factor: 2.516, year: 2020
Method of publishing: Open access
https://doi.org/10.1088/2040-8986/aba965
Silicon waveguides with graphene layers have been recently intensively studied for their potential as fast and low-power electro-optic modulators with small footprints. In this paper we show that in the optical wavelength range of 1.55 mu m, surface plasmons supported by the graphene layer with the chemical potential exceeding similar to 0.5 eV can couple with the guided mode of the silicon waveguide and affect its propagation. On the other hand, this effect might be possibly utilized in technical applications like a very low-power amplitude modulation, temperature sensing, etc
Permanent Link: http://hdl.handle.net/11104/0316046
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