Luis Aina, Alfredo2023-06-202023-06-202000-111050-294710.1103/PhysRevA.62.054302https://hdl.handle.net/20.500.14352/59684©2000 The American Physical SocietyWe demonstrate the possibility of practical tomographic determination of arbitrary input-output transformations. It is shown that the Liouville-space formalism provides a generalization of standard tomography encompassing the reconstruction of processes as well as of quantum states.engjournal articlehttp://dx.doi.org/10.1103/PhysRevA.62.054302http://journals.aps.org/open access535Phase-space methodsNoncommuting operatorsSqueezed statesTrapped ionMacroscopic superpositionsWigner distributionHomodyne detectionDensity-matrixReconstructionMechanicsÓptica (Física)2209.19 Óptica Física