Direct characterization of linear-optical networks
arXiv:1210.6463 · doi:10.1364/OE.21.013450
Abstract
We introduce an efficient method for fully characterizing multimode linear-optical networks. Our approach requires only a standard laser source and intensity measurements to directly and uniquely determine all moduli and non-trivial phases of the matrix describing a network. We experimentally demonstrate the characterization of a fiber-optic network and independently verify the results via nonclassical two-photon interference.
9 pages, 4 figures
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