Olivier Bouchet works at France Telecom Research & Development in the Free-Space Optics Department. Herve Sizun is an electromagnetic wave propagation specialist at France Telecom who also works with the International Telecommunication Union on radiowave propagation. Christian Boisrobert is a codesigner of the first optical-fiber digital links in France. He is a professor at the University of Nantes. Frederique de Fornel is a director of research at the Centre National de la Recherche Scientifique (CNRS) and the head of the Near Field Optics Group at the University of Bourgogne. She is a world...