Frequency and temporal effects in linear optical quantum computing

Publication Type:
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, 2005, 71 (3)
Issue Date:
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Typically linear optical quantum computing (LOQC) models assume that all input photons are completely indistinguishable. In practice there will inevitably be nonidealities associated with the photons and the experimental setup which will introduce a degree of distinguishability between photons. We consider a nondeterministic optical controlled-NOT gate, a fundamental LOQC gate, and examine the effect of temporal and spectral distinguishability on its operation. We also consider the effect of utilizing nonideal photon counters, which have finite bandwidth and time response. ©2005 The American Physical Society.
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