Linear Optical Implemention of a Quantum Network for Quantum Estimation

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dc.creatorWang, Zhi-Wei
dc.creatorLi, Jian
dc.creatorHuang, Yun-Feng
dc.creatorZhang, Yong-Sheng
dc.creatorRen, Xi-Feng
dc.creatorZhang, Pei
dc.creatorGuo, Guang-Can
dc.date2006-07-27
dc.date2006-09-27
dc.date.accessioned2026-07-07T07:22:58Z
dc.date.available2026-07-07T07:22:58Z
dc.descriptionWe present a scheme for simulating the quantum network of quantum estimation proposed by A. K. Ekert et al. [Phys. Rev. Lett. 88, 217901 (2002)]. We experimentally implement the scheme with linear optical elements. We perform overlap measurements of two single-qubit states and entanglement-witness measurements of some two-qubit states. In addition, it can also be used for entanglement quantification for some kinds of states. From the other perspective, we physically realize the positive but not completely positive map, transposition.
dc.description8 pages,4 figures. Revised edition
dc.identifierhttps://arxiv.org/abs/quant-ph/0607189
dc.identifierhttp://arxiv.org/abs/quant-ph/0607189
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/115853
dc.subjectQuantum Physics
dc.titleLinear Optical Implemention of a Quantum Network for Quantum Estimation
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