Modal properties of a strip-loaded horizontal slot waveguide Ségolène Pélisset, Janne Laukkanen, Markku Kuittinen, Seppo Honkanen and Matthieu Roussey J. Eur. Opt. Soc.-Rapid Publ., 13 1 (2017) 37 Published online: 21 November 2017 DOI: 10.1186/s41476-017-0065-5