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arXiv 2101.02508quant-ph
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电光机械系统光-微波转换中纠缠的生存

Surviving Entanglement in Optic-Microwave Conversion by Electro-Optomechanical System

Yonggi Jo, Su-Yong Lee, Yong Sup Ihn, Dongkyu Kim, Zaeill Kim, Duk Y. Kim

摘要:

在量子技术的最近发展中,已经广泛地研究了量子信号的频率转换。研究了在双模压缩真空态中,对其中一个模施加电光机械频率转换方案所产生的光-微波纠缠。我们量化了转换后的双模高斯态的纠缠度,分析了态的纠缠度随电光机械系统参数的变化。此外,我们还证明了高纠缠态转换后的纠缠存在一个上界。该研究为量子照明系统的实用化提供了理论平台。

英文摘要:

In recent development of quantum technologies, a frequency conversion of quantum signals has been studied widely. We investigate the optic-microwave entanglement that is generated by applying an electro-optomechanical frequency conversion scheme to one mode in an optical two-mode squeezed vacuum state. We quantify entanglement of the converted two-mode Gaussian state, where surviving entanglement of the state is analyzed with respect to the parameters of the electro-optomechanical system. Furthermore, we show that there exists an upper bound for the entanglement that survives after the conversion of highly entangled optical states. Our study provides a theoretical platform for a practical quantum illumination system.

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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