Salam Nazhan becomes a Member of Iraqi Physicists Society in 2005, and Iraqi Higher Education Society in 2004, He is also member of IEEE since 2013. He is born in Baqubah/Iraq in 1971. He received the BS and MS degrees in physics, and electronics physics from Al Mustansiriya University, Baghdad, Iraq, in 1998 and 2005 respectively, and the PhD degree in optoelectronics from Northumbria University, Newcastle, United Kingdom in 2016. He joined the Optoelectronics Research Group as a researcher at Bangor University, Wales, UK in 2011- 2012 and Optical Communications Research Group at Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK until May 2016. His research focuses on optical and electrical characteristic of vertical-cavity surface emitting laser for free space optical communications. He already published around 14 papers. He is a technical committee member and presented his research in several international conferences. His current research interests include characterizations, optical chaotic signal, and nonlinearity behaviors of VCSEL. He is currently Lecturer and the principal investigator of number of undergraduate students at power and electrical engineering department at University of Diyala, Iraq