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Information, fidelity, and reversibility in photodetection processes
Information fidelity reversibility photodetection processes
2010/11/8
Four types of photon counters are discussed in terms of information, fidelity, and physical reversibility: conventional photon counter, quantum counter, and their quantum nondemolition (QND) versions...
There is a constraining relation between the reliability of a quantum measurement and the extent to which the measurement process is, in principle, reversible. The greater the information that is gain...