Einstein's Theory of Atom-Radiation Interaction.- Atom-Field Interaction: Semi classical Approach.- Quantization of the Electromagnetic Field.- States of the Electromagnetic Field I.- States of the Electromagnetic Field II.- Quantum Theory of Coherence.- Phase Space Description.- Atom-Field Interaction.- System-Reservoir Interactions.- Resonance Fluorescence.- Quantum Laser Theory: Master Equation Approach.- Quantum Laser Theory: Langevin Approach.- Quantum Noise Reduction 1.- Quantum Noise Reduction 2.- Quantum Phase.- Quantum Trajectories.- Atom Optics.- Measurements, Quantum Limits and All That.- Trapped Ions.- Decoherence.- Quantum Bits, Entanglement and Applications.- Quantum Correlations.- Quantum Cloning and Processing.- Appendices: Operator Relations.- The Method of Characteristics.- Proof.- Stochastic Processes in a Nutshell.- Derivation of the Homodyne Stochastic Schr
