Christophe Lethien was born in France, on May 3, 1978. He received the B.Sc. degree in physics from the University of Lens, France, in 2000 and the M.Sc. degree in microwave and microelectronics and the Ph.D. degree in optoelectronics from the University of Sciences and Technologies (USTL), Lille, France, in 2001 and 2004, respectively.From November 2004 to June 2007, he was a Civil Researcher at the Royal Military Academy, Brussels, Belgium, in the Communication Information Systems and Sensors Department (CISS), where he worked on polymer based fiber optic link. Currently, he is an Associate Professor at the Institut d'Electronique, de Microelectronique et de Nanotechnologie (IEMN), USTL, Villeneuve d'Ascq, France, and at the Research Federation Institut de Recherche sur les Composants logiciels et matériels pour l'Information et la Communication Avancée (IRCICA), Villeneuve d'Ascq, France. He works on wireless sensors networks and optical-fiber-based wired networks.