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Direct observation and simultaneous use of linear and quadratic electro-optical effects

Title:
Direct observation and simultaneous use of linear and quadratic electro-optical effects
Abstract:
We report on the direct observation and simultaneous use of the linear and quadratic electro-optical effect and propose a method by which higher-order susceptibilities of electro-optical materials can be determined. The evaluation is based on the separation of the second- and third-order susceptibilities and the experimental technique uses a slot waveguide ring resonator fabricated in integrated photonic circuit technology, which is embedded by a guest-host polymer system consisting of the azobenzene dye Disperse Red 1 in a poly(methyl methacrylate) matrix as an active electro-optical material. The contribution of both effects on the electro-optical response under the influence of static and time-varying electrical fields is investigated. We show that the quadratic electro-optical effect has a significant influence on the overall electro-optical response even with acentric molecular orientated molecules. Our findings have important implications for developing electro-optical devices based on polymer-filled slot waveguides and give rise to advanced photonic circuits.
Year:
2020
Publication type:
Journal article
Journal:
Journal of Physics D: Applied Physics
ISSN:
1361-6463
Number:
12
Volume:
53
Pages:
125106
Language:
English
Document status:
Open access
PubListerURL:
https://publister.bib.th-wildau.de/publister/public/publication/2780
Steglich, P., Mai, C., Villringer, C., & Mai, A. (2020). Direct observation and simultaneous use of linear and quadratic electro-optical effects Journal of Physics D: Applied Physics. 53 (12), 125106.
@article{2780,
    author           = {Steglich, Patrick and Mai, Christian and Villringer, Claus and Mai, Andreas},
    title            = {Direct observation and simultaneous use of linear and quadratic electro-optical effects},
    journal          = {Journal of Physics D: Applied Physics},
    year             = {2020},
    volume           = {53},
    number           = {12},
    pages            = {125106},
    publisher        = {Institute of Physics Publishing (IOP)},
    doi              = {10.1088/1361-6463/ab6059},
}


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