Multi-Photon Quantum Interference

Two-Photon Interference.- Historical Background and General Remarks.- Quantum State from Parametric Down-Conversion.- Hong-Ou-Mandel Interferometer.- Phase-Independent Two-Photon Interference.- Phase-Dependent Two-Photon Interference: Two-Photon Interferometry.- Interference between a Two-Photon State and a Coherent State.- Quantum Interference of More Than Two Photons.- Coherence and Multiple Pair Production in Parametric Down-Conversion.- Quantum Interference with Two Pairs of Down-Converted Photons.- Temporal Distinguishability of a Multi-Photon State.- Homodyne of a Single-Photon State: A Special Multi-Photon Interference.