Near-field observation of evanescent light wave coupling in subwavelength optical waveguidesR. Quidant, J.-C. Weeber, A. Dereux, D. Peyrade, Y. Chen and C. GirardEurophys. Lett., 57 2 (2002) 191-197DOI: https://doi.org/10.1209/epl/i2002-00560-3