Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 40: Quantum Information: Quantum Computing

Q 40.2: Talk

Wednesday, March 10, 2010, 16:45–17:00, F 128

Processing of quantum information by linear optical systems — •Lev Plimak, Daniela Denot, and Wolfgang Schleich — Institut für Quantenphysik, Universität Ulm

We consider a series of Gedankenexperiments showing that results of any photodetection measurement performed on two optical beams originating from a beam-splitter may be imitated by a photodetection measurement performed directly on the original beam. This conclusion is further extended to an arbitrary lossless optical transformer with the number of output ports exceeding the number of input ones.