About the Author: Dr. Hooshang Ghafouri-Shiraz, University of Birmingham, UK Hooshang Ghafouri-Shiraz received his B.Sc. and M.Sc. degrees in electronic and electrical engineering from Shiraz University, Shiraz, Iran, in 1973 and 1978, respectively, and the Doctor of Engineering (D.Eng.) degree from the University of Tokyo, Tokyo, Japan, in 1985. Ghafouri-Shiraz is a Reader in optical and microwave communications, Director of postgraduate research at University of Birmingham (Dept. of EECE). His research interests include optical CDMA, optical networks, optical devices, optical fibre communications, nonlinear optics, and microwave propagation. Dr. Massoud Karbassian, University of Birmingham, UK Massoud Karbassian received his Ph.D. degree in optical communications and networks from the University of Birmingham in 2009. He is a researcher in the Optical Devices and Communication Laboratory in the Department of Electronic, Electrical and Computer Engineering, where he has been working on optical CDMA transport networks since 2006. Dr. Karbassian has been recently working extensively on investigating IP-over-OCDMA communications for next generation access networks.