Krzysztof Szczerba received his M.Sc. in Telecommunications from the Technical University of Denmark in 2008. In 2008 he worked at the Technical Univeristy of Denmark, Department of Photonics Engineering (DTU Fotonik) as a research assistant. In 2009 he joined the Chalmers Univeristy of Technology, Department of Microtechnology and Nanoscience (MC2), Sweden, where he is currently working towards his Ph.D. degree at the Photonics laboratory. His main research interests are short range optical communication and advanced modulation formats.