Solutions manual available on request from the OUP website Completely updated new edition, substantial amount of new material Textbook style of writing, including over 100 problems. Simple and detailed derivations of all main relations in quantum optics Provides descriptions and interpretations of key experiments in quantum optics Numerous figures to illustrate concepts and conclusions From reviews of the 2/e:´This book has become essential reading for anyone working in the new and dynamic field of quantum optics. A whole generation of students has been brought up on its clear and down-to-earth approach. [...] New research students are lucky to have such a clear guide to their field.´P. Knight, Nature, November 1983.