Nanoscale Electrical Excitation of Distinct Modes in Plasmonic Waveguides. Ochs M, Zurak L, Krauss E, Meier J, Emmerling M, Kullock R, Hecht B. Nano Lett. 2021 May 26;21(10):4225-4230. doi: 10.1021/acs.nanolett.1c00182. Epub 2021 Apr 30.