1. See, e.g., C. Weisbuch and B. Vinter, “Quantum Semiconductor Structures”, Academic, Boston (1991)
2. See, e.g., ref. 1 and also the special issue of Physics Today, June 1993, pp. 22-73 on the optics of nanostructures
3. An excellent single reference is the recent multiauthor book by P.R. Berman ed., “Cavity quantum electrodynamics”, Advances in Atomic, Molecular and Optical Physics, suppl. 2, Academic, Boston (1994).
4. An excellent short introduction by Haroche and Kleppner is reproduced in the present volume: S. Haroche and D. Kleppner, Cavity Q.E.D., Physics Today, 42: 24 (1989).
5. E.M. Purcell, “Spontaneous Emission probabilities at radiofrequencies”, Phys. Rev. 69: 681 (1946). (reprinted here)