dorsal/arxiv
View SchemaExperimental Demonstration of Five-photon Entanglement and Open-destination Teleportation
| Authors | Zhi Zhao, Yu-Ao Chen, An-Ning Zhang, Tao Yang, Hans Briegel, Jian-Wei Pan |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0402096 |
| URL | https://arxiv.org/abs/quant-ph/0402096 |
| DOI | 10.1038/nature02643 |
| Journal | Nature 430, 54-58(2004) |
Abstract
Universal quantum error-correction requires the ability of manipulating entanglement of five or more particles. Although entanglement of three or four particles has been experimentally demonstrated and used to obtain the extreme contradiction between quantum mechanics and local realism, the realization of five-particle entanglement remains an experimental challenge. Meanwhile, a crucial experimental challenge in multi-party quantum communication and computation is the so-called open-destination teleportation. During open-destination teleportation, an unknown quantum state of a single particle is first teleported onto a N-particle coherent superposition to perform distributed quantum information processing. At a later stage this teleported state can be readout at any of the N particles for further applications by performing a projection measurement on the remaining N-1 particles. Here, we report a proof-of-principle demonstration of five-photon entanglement and open-destination teleportation. In the experiment, we use two entangled photon pairs to generate a four-photon entangled state, which is then combined with a single photon state to achieve the experimental goals. The methods developed in our experiment would have various applications e.g. in quantum secret sharing and measurement-based quantum computation.
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"abstract": "Universal quantum error-correction requires the ability of manipulating\nentanglement of five or more particles. Although entanglement of three or four\nparticles has been experimentally demonstrated and used to obtain the extreme\ncontradiction between quantum mechanics and local realism, the realization of\nfive-particle entanglement remains an experimental challenge. Meanwhile, a\ncrucial experimental challenge in multi-party quantum communication and\ncomputation is the so-called open-destination teleportation. During\nopen-destination teleportation, an unknown quantum state of a single particle\nis first teleported onto a N-particle coherent superposition to perform\ndistributed quantum information processing. At a later stage this teleported\nstate can be readout at any of the N particles for further applications by\nperforming a projection measurement on the remaining N-1 particles. Here, we\nreport a proof-of-principle demonstration of five-photon entanglement and\nopen-destination teleportation. In the experiment, we use two entangled photon\npairs to generate a four-photon entangled state, which is then combined with a\nsingle photon state to achieve the experimental goals. The methods developed in\nour experiment would have various applications e.g. in quantum secret sharing\nand measurement-based quantum computation.",
"arxiv_id": "quant-ph/0402096",
"authors": [
"Zhi Zhao",
"Yu-Ao Chen",
"An-Ning Zhang",
"Tao Yang",
"Hans Briegel",
"Jian-Wei Pan"
],
"categories": [
"quant-ph"
],
"doi": "10.1038/nature02643",
"journal_ref": "Nature 430, 54-58(2004)",
"title": "Experimental Demonstration of Five-photon Entanglement and Open-destination Teleportation",
"url": "https://arxiv.org/abs/quant-ph/0402096"
},
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