Feasible Linear-optics Generation of Polarization-entangled Photons Assisted with Single-photon Quantum Non-demolition Measurement

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dc.creatorChen, Zeng-Bing
dc.creatorPan, Jian-Wei
dc.creatorZhang, Yong-De
dc.date2001-05-21
dc.date.accessioned2026-07-07T06:02:07Z
dc.date.available2026-07-07T06:02:07Z
dc.descriptionWe propose a feasible scheme to create $n$-party ($n\geq 2$) polarization-entangled photon states in a controllable way. The scheme requires only single-photon sources, single-photon quantum non-demolition measurement (SP-QNDM) and simple linear optical elements, usually with high perfections. The SP-QNDM acts as a non-destructive projection measurement onto the wanted entangled states and filters out the unwanted terms. Our scheme in fact realizes entanglement of non-interacting photons; the interaction occurs only implicitly in the optical elements and SP-QNDM. We also briefly consider purification of mixed single-photon states within our scheme.
dc.description4 pages, no figure
dc.identifierhttps://arxiv.org/abs/quant-ph/0105100
dc.identifierhttp://arxiv.org/abs/quant-ph/0105100
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/89493
dc.subjectQuantum Physics
dc.titleFeasible Linear-optics Generation of Polarization-entangled Photons Assisted with Single-photon Quantum Non-demolition Measurement
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