过完备态最优探测策略的实验实现
量子物理
2009-11-06 v2
摘要
我们给出了针对光学偏振的广义测量实验结果，该测量旨在提供三种或四种不同的结果。这使我们能够以接近量子理论所允许最小值的错误概率来判别非正交偏振态。在三组（三叉）或四组（四元）等概率对称非正交偏振态上采用这些最优探测策略，我们获得的互信息超过了使用常规（冯·诺依曼）偏振测量所能达到的最大值。
引用
@article{arxiv.quant-ph/0008028,
title = {Experimental realization of optimal detection strategies for overcomplete states},
author = {Roger B. M. Clarke and Vivien M. Kendon and Anthony Chefles and Stephen M. Barnett and Erling Riis and Masahide Sasaki},
journal= {arXiv preprint arXiv:quant-ph/0008028},
year = {2009}
}
备注
RevTeX4, 14 pages, 10 figures (included as eps), submitted to Phys. Rev. A. Typos corrected, Sec II B rewritten, no changes to results or conclusions