arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0902.1372quant-ph
收藏

低Q腔中单光子输入-输出过程的量子信息处理

Quantum information processing with a single photon by input-output process regarding low-Q cavities

Jun-Hong An, M. Feng, C. H. Oh

摘要:

腔QED和光子都是量子信息处理的理想候选者。基于腔的输入-输出过程,我们考虑了两种候选者的组合,其中单个光子通过空间上分离的腔来纠缠原子量子比特。本文给出了在宽参数范围内,低Q腔中单原子的输入-输出过程的一般表达式。针对低Q腔的情况,提出了与高Q腔和强耦合腔不同的单光子法拉第旋转量子信息处理方案.

英文摘要:

Both cavity QED and photons are promising candidates for quantum information processing. We consider a combination of both candidates with a single photon going through spatially separate cavities to entangle the atomic qubits, based on the input-output process of the cavities. We present a general expression for the input-output process regarding the low-Q cavity confining a single atom, which works in a wide range of parameters. Focusing on low-Q cavity case, we propose some schemes for quantum information processing with Faraday rotation using single photons, which is much different from the high-Q cavity and strong coupling cases.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑