科研之友
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摘要
We derive the maximum success probability of circuits with passive linear optics for postselectively expanding an N-photon W state to an (N + n)-photon W state, by accessing only one photon of the initial W state and adding n photons in a Fock state. We show that the maximum success probability is achieved by a polarization-dependent beamsplitter and n - 1 polarization-independent beamsplitters.
- 出版日期2011-1-24
