Hermann Kampermann is a private lecturer at the Heinrich-Heine-University of Düsseldorf, Germany. His research focuses on quantum cryptography, quantum repeater protocols and its security analysis, as well as on entanglement detection and its characterization. He received his doctoral degree in physical chemistry from the University of Duisburg-Essen, Germany, in 2004. Afterwards he was a postdoc in the “quantum information” graduate school at the University of Dortmund, Germany. Since the end of 2004 he has been a member of the research group of Dagmar Bruß at the University of Düsseldorf.
With a simple optical experiment, researchers have demonstrated a quantum digital signature scheme for identifying the sender of an electronic message without requiring the use of quantum memories.