SERGIO M. DUTRA's passion for quantum optics dates back to 1989. He received a PhD from Imperial College, London, studying cavity quantum electrodynamics. Dr. Dutra is a Chartered Physicist and a member of the British Institute of Physics. He has worked at Campinas University in Brazil and Leiden University in the Netherlands, published a number of papers in peer-reviewed international journals, a chapter of a book, and spoken at conferences in several countries.