SU(3) Quantum Interferometry with Single-Photon Input Pulses
Si-Hui Tan, Yvonne Y. Gao, Hubert de Guise, Barry Cyril Sanders · Physical Review Letters · 2013
We develop a framework for solving the action of a three-channel passive optical interferometer on single-photon pulse inputs to each channel using SU(3) group-theoretic methods, which can be readily generalized to higher-order photon-coincidence experiments. We show that features of the coincidence plots versus relative time delays of photons yield information about permanents, immanants, and determinants of the interferometer SU(3) matrix.