期刊
PHYSICAL REVIEW LETTERS
卷 99, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.99.250503
关键词
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资金
- EPSRC [EP/E003931/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E003931/1] Funding Source: researchfish
We report the experimental demonstration of a one-way quantum protocol reliably operating in the presence of decoherence. Information is protected by designing an appropriate decoherence-free subspace for a cluster state resource. We demonstrate our scheme in an all-optical setup, encoding the information into the polarization states of four photons. A measurement-based one-way information-transfer protocol is performed with the photons exposed to severe symmetric phase-damping noise. Remarkable protection of information is accomplished, delivering nearly ideal outcomes.
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