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arXiv 1407.0183quant-ph
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利用连续波光学参量振荡器实现光的量子态工程

Quantum state engineering of light with continuous-wave optical parametric oscillators

Olivier Morin, Jianli Liu, Kun Huang, Felippe A. S. Barbosa, Claude Fabre, Julien Laurat

摘要:

工程化行进光场的量子态的能力是量子信息科学和技术(包括量子通信、计算和计量学)的中心要求。在这篇视频文章中,我们描述了非高斯态的可靠产生,包括单光子态和相干态叠加,使用条件制备方法对光学参量振荡器发出的非经典光进行操作。第一和第二类相位匹配OPO低于阈值工作,即单模或双模压缩真空源,被认为是和常见的程序,如所需的频率滤波或高效率的量子态表征的零差,被详细介绍。所报道的方法实现了与目标状态的高保真度,并在良好控制的时空模式下生成状态,这是它们在后续协议中使用的关键特征。

英文摘要:

The ability to engineer the quantum state of traveling optical fields is a central requirement for quantum information science and technology, including quantum communication, computing and metrology. In this video article, we describe the reliable generation of non-Gaussian states, including single-photon states and coherent state superpositions, using a conditional preparation method operated on the non-classical light emitted by optical parametric oscillators. Type-I and type-II phase-matched OPOs operated below threshold, i.e. single-mode or two-mode squeezed vacuum sources, are considered and common procedures, such as the required frequency filtering or the high-efficiency quantum state characterization by homodyning, are detailed. The reported method enables a high fidelity with the targeted state and the generation of the state in a well-controlled spatiotemporal mode, a crucial feature for their use in subsequent protocols.

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。

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