Stephan Pachnicke received the MSc degree in Information Engineering from City University, London, United Kingdom in 2001 and the Dipl.-Ing. and Dr.-Ing. (PhD equivalent) degrees in electrical engineering from TU Dortmund, Germany in 2002 and 2005, respectively. In 2005 he also got the Dipl.-Wirt.-Ing. degree in business administration from Fern Universität, Hagen, Germany. Since 2008 he has been giving the lecture “Fiber Optical Communication Networks” at TU Dortmund. Currently he is with ADVA AG Optical Networking. His research interests lie in the field of modeling and simulation of optical communication systems, the assessment of physical-layer impairment aware routing algorithms as well as energy efficiency improvements in networks. He is author or co-author of more than 60 scientific publications among them 5 books and 10 journal contributions. Stephan received several awards for his work among them the PhD thesis award of TU Dortmund (Dissertationspreis 2006) and the VDE price for the best MSc thesis (VDE Preis Rhein/Ruhr 2002).

• Introduction.- Fiber Optical Transmission Systems.- Simulation of Fiber Optical Transmission Systems.- Efficient Design of Fiber Optical Transmission Systems.- Dynamic Operation of Fiber Optical Transmission Networks.- Conclusions and Outlook.- Appendix.