Comparative Study of Nano-Slot Silicon Waveguides Covered by Dye Doped and Undoped Polymer Cladding

  • Nonlinear optical dyes doped in optical polymer matrices are widely used for electro-optical devices. Linear optical properties change with dye concentration, which leads to a change in modal properties, especially in nano-structured integrated waveguides such as silicon slot-waveguides. Here, we investigate the influence of a nonlinear optical dye on the performance of a silicon-organic hybrid slot-waveguide. A simulation study of the modal and optical confinement properties is carried out and dependence of the structural parameters of the slot-waveguide and the organic cladding material is taken into account. As cladding material, a guest-host polymer system is employed comprising the nonlinear optical dye Disperse Red 1 (DR1) doped in a poly[methyl methacrylate] (PMMA) matrix. The refractive indices of doped and undoped PMMA were deduced from ellipsometric data. We present a guideline for an optimized slot-waveguide design for the fabrication in silicon-on-insulator technology giving rise to scalable, high-performance integrated electro-optical modulators.

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Metadaten
Author:Siegfried Bondarenko, Claus VillringerORCiD, Patrick SteglichORCiD
URN:urn:nbn:de:kobv:526-opus4-10716
DOI:https://doi.org/10.3390/app9010089
ISSN:2076-3417
Parent Title (English):Applied Sciences
Publisher:MDPI
Document Type:Article
Language:English
Year of Publication:2019
Publishing Institution:Technische Hochschule Wildau
Release Date:2019/01/02
Volume:9
Issue:1
Source:Bondarenko, S., Villringer, C., & Steglich, P. (2019). Comparative Study of Nano-Slot Silicon Waveguides Covered by Dye Doped and Undoped Polymer Cladding Applied Sciences. 9 (1), 1-13. doi: 10.3390/app9010089
Faculties an central facilities:Fachbereich Ingenieur- und Naturwissenschaften
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Funding:DFG-geförderter Publikationsfonds
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International
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