Accelerated quantum control methods

加速量子控制方法

• 批准号: 19F19028
• 负责人: NORI FRANCO
• 金额: $ 1.41万
• 依托单位: Institute of Physical and Chemical Research
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for JSPS Fellows
• 财政年份: 2019
• 资助国家: 日本
• 起止时间: 2019-10-11 至 2022-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-19F19028/
• 关键词: quantum computing; cat-state qubits; fault-tolerant computing; optical dark mode; quantum electrodynamics; ultrastrong coupling; quantum control methods; Ultrastrong systems; Shortcuts to; adiabaticity; Rapid dynamical; evolution

Since Apr. 2021, we have focused on the following topics:1. Using cat-state qubits for geometric quantum computing. We have investigated the possibility of using photonic cat-state qubits for implementing single- and multi-qubit geometric gates. Our results offer a realistic and hardware-efficient method for both single- and multi-qubit fault-tolerant quantum computation.2. We have theoretically shown that employing counter-rotating effects (using two different protocols) can effectively improve both the speed and fidelity of geometric quantum computation. Such an ultrafast evolution (nanoseconds, even picoseconds) significantly reduces the influence of decoherence, making it possible to reach the threshold of fault-tolerant computing.3.We have explored an efficient protocol to sense single atoms in a cavity field using a nonlinear classical drive. The proposed protocol possesses many advantages, such as controllable squeezing strength and squeezed-cavity-mode frequency, and exponential enhancement of atom-cavity coupling strength.4. We have theoretically proposed to realize a genuine tripartite optomechanical entanglement via the control of an optical dark mode. than that in the DMU regime. The study can enable constructing large-scale entanglement networks with the dark-mode-immunity and noise-tolerance, and opens up a range of exciting opportunities for quantum information processing and quantum metrology protected against dark modes.

自2021年4月以来，我们关注以下主题：1。使用猫态Qubits进行几何量子计算。我们已经调查了使用光子猫态量子台实施单量和多量几何门的可能性。我们的结果为单量和多量表耐受量的量子计算提供了一种现实且硬件的方法。2。从理论上讲，采用反旋转效果（使用两种不同的协议）可以有效地提高几何量子计算的速度和保真度。这种超快的进化（纳秒，甚至是皮秒）大大降低了破坏的影响，使得达到耐断层计算的阈值成为可能。3.我们探索了一种有效的方案，可以使用非线性经典驱动器在腔场中感知单个原子。所提出的协议具有许多优势，例如可控的挤压强度和挤压模式频率，以及原子腔耦合强度的指数增强。4。从理论上讲，我们建议通过控制光学模式来实现真正的三方光学纠缠。比在DMU政权中。这项研究可以使大规模纠缠网络具有深色模式不满和噪声，并为量子信息处理和量子计量学开辟了一系列令人兴奋的机会，并保护了黑模式。

项目成果

Tripartite optomechanical entanglement via optical-dark-mode control

• DOI: 10.1103/physrevresearch.4.033112
• 发表时间: 2022-08
• 期刊: Physical Review Research
• 影响因子: 4.2
• 作者: D. Lai;Ye‐Hong Chen;W. Qin;A. Miranowicz;F. Nori

Fast and dephasing-tolerant preparation of steady Knill-Laflamme-Milburn states via dissipative Rydberg pumping

通过耗散里德堡泵浦快速且耐相移地制备稳定的 Knill-Laflamme-Milburn 态

• DOI: 10.1103/physreva.103.052402
• 发表时间: 2021-05
• 期刊: Physical Review A
• 影响因子: 2.9
• 作者: Zheng Ri-Hua;Xiao Yang;Su S-L;Chen Ye-Hong;Shi Zhi-Cheng;Song Jie;Xia Yan;Zheng Shi-Biao
• 通讯作者: Zheng Shi-Biao

Fast binomial-code holonomic quantum computation with ultrastrong light-matter coupling

具有超强光-物质耦合的快速二项式代码完整量子计算

• DOI: 10.1103/physrevresearch.3.033275
• 发表时间: 2020-12
• 期刊: Phys. Rev. Research
• 作者: Ye-Hong Chen;Wei Qin;Roberto Stassi;Xin Wang;Franco Nori
• 通讯作者: Franco Nori

Strong spin squeezing induced by weak squeezing of light inside a cavity

• DOI: 10.1515/nanoph-2020-0513
• 发表时间: 2019-12
• 期刊: Nanophotonics
• 影响因子: 7.5
• 作者: W. Qin;Ye‐Hong Chen;Xin Wang;A. Miranowicz;F. Nori

Shortcuts to adiabaticity for the quantum Rabi model

量子拉比模型绝热的捷径

• 发表时间: 2021
• 作者: Ran D.;Zhang B.;Chen;Y.-H.;Shi Z.-C.;Xia Y.;Ianconescu R.;Scheuer J.;and Gover A;Chen Ye-Hong
• 通讯作者: Chen Ye-Hong