The volume presents reports of the latest developments in various areas including quantum information theory, theoretical and experimental aspects of quantum computing, quantum communication systems, cryptography, new quantum effects and their experimental realizations, generation detection and applications of non-classical light, quantum noise, stochastic processes and filtering, quantum measurement theory, and quantum control.

Dik Bouwmeester, Oxford University, U.K. Ignacio Cirac, Max Planck Institute for Quantum Optics, Germany G. Mauro D'Ariano, University of Pavia, Italy Francesco De Martini, University of Rome "La Sapienza", Italy Jonathan Dowling, Jet Propulsion Laboratory, U.S.A. Christopher Fuchs, Bell Labs, Lucent Technologies, U.S.A. Nicolas Gisin, University of Geneva, Switzerland Daniel Gottesman, University of California, Berkeley, U.S.A. Philippe Grangier, University of Orsay, France Osamu Hirota, Tamagawa University, Japan Pawel Horodecki, University of Gdansk, Poland Adrian Kent, Hewlett-Packard Laboratories, U.K. Masahiro Kitagawa, Osaka University, Japan Prem Kumar, Northwestern University, U.S.A. Paul Kwiat, University of Illinois, U.S.A. Seth Lloyd, Massachusetts Institute of Technology, U.S.A. Hoi-Kwong Lo, MagiQ Technologies, U.S.A. Alexander Lvovsky, University of Konstanz, Germany Gerard Milburn, University of Queensland, Australia Michael Nielsen, University of Queensland, Australia Masanao Ozawa, Tohoku University, Japan Bahaa Saleh, Boston University, U.S.A. Alexander Sergienko, Boston University, U.S.A. Jeffrey Shapiro, Massachusetts Institute of Technology, U.S.A. Yanhua Shih, University of Maryland, Baltimore County, U.S.A. Paolo Tombesi, University of Camerino, Italy Vlatko Vedral, Imperial College, U.K. Ian Walmsley, Oxford University, U.K. Yoshihisa Yamamoto, Stanford University, U.S.A. Horace Yuen, Northwestern University, U.S.A.