摘要
基于cross-Kerr非线性相互作用,提出了一种近似确定性的可控量子隐形传态方案。利用量子非破坏性测量技术较容易地实现了复杂的控制非操作和贝尔态分析过程,这使得此方案比以往使用投影测量的隐形传态方案效率更高,进一步分析表明方案在现有的实验条件下是切实可行的。
A scheme for teleporting an unknown single-qubit photonic state in a nearly deterministic and controlled manner is proposed via the weak cross-Kerr nonlinearities. The functions of the complicated CNOT operations and Bell-state analysis can be realized easily with the help of quantum nondemolition measurement technique. This improvement makes the present scheme more efficient than the schemes using nonunitary projective measurements. Discussions about this scheme show that it is feasible with the current experimental technology in optics
出处
《量子电子学报》
CAS
CSCD
北大核心
2011年第3期350-356,共7页
Chinese Journal of Quantum Electronics
基金
supported by National Natural Science Foundation of China(10704001,61073048)
the Key Project of Chinese Ministry of Education(210092)
the Key Program of the Education Department of Anhui Province (KJ2009B179Z,2009SQRZ196,KJ2008A28ZC,KJ2009A048Z,2010SQRL153ZD,and KJ2010A287)
