Professor Wolfgang E. Elsäßer is the Semiconductor Optics Group Leader in the Institute of Applied Physics at Technische Universitaet Darmstadt. He has a national and international reputation with the General Research Motto of Photonics and Quantum Optics of Semiconduc-tor Emitters. He is author of more than 170 peer-reviewed publications, numerous invited talks at conferences, and 3 book chapters; Awards as, e.g. Otto-Hahn-Medal of the Max-Planck-Society, Werner-von-Siemens-Medal of the Werner-von-Siemens-Ring Foundation and the Rudolf-Kai¬ser Award; Numerous Program Committee Memberships of Scientific Conferences; Numerous Sabbaticals and National Representative of several European COST Actions