Towards fast and scalable trapped-ion quantum logic with integrated photonics
Towards fast and scalable trapped-ion quantum logic with integrated photonics
复制标题
迈向具有集成光子学的快速且可扩展的俘获离子量子逻辑
DOI：
10.1117/12.2507647
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发表时间：
2019
影响因子：
3.3
通讯作者：
J. Home
中科院分区：
文献类型：
--
作者：
K. Mehta;Chi Zhang;S. Miller;J. Home
捕获离子量子比特承诺量子信息处理（QIP）的某些基本优势，由于其不可扩展性和相对较高的隔离噪声环境。虽然这些品质允许量子计算的必要原语的演示，所需的光学设备的复杂性是在量子系统提供明显优于经典计算机的规模上实现的主要障碍。在这里，我们建立在以前的工作与陷阱集成波导光学，描述设计和模拟的商业铸造制造的离子阱芯片与集成Si3N4波导和光栅耦合器，以实现多量子位操作。我们详细介绍了一种设计，旨在解决和实现5个离子之间的量子逻辑门在一个单一的寄存器，和配置，利用稳定的片上路径长度的波导器件，制定一个新的快速纠缠两量子比特门。这里提出的设备和方法可以形成用于捕获离子QIP的可扩展架构的元素。
Trapped-ion qubits promise certain fundamental advantages for quantum information processing (QIP), owing to their indistinguishability and relatively high isolation from noisy environments. Though these qualities have allowed demonstrations of the necessary primitives for quantum computation, the complexity of the optical apparatus required is a major impediment to implementation at scales where quantum systems offer a clear advantage over classical computers. Here, we build on previous work with trap-integrated waveguide optics, describing designs and simulations for commercial foundry-fabricated ion trap chips with integrated Si3N4 waveguides and grating couplers to implement multi-qubit operations. We detail a design intended to address and implement quantum logic gates between 5 ions in a single register, and a configuration which utilizes the stable on-chip path lengths of waveguide devices to enact a novel fast entangling two-qubit gate. The devices and approaches presented here could form elements of a scalable architecture for trapped-ion QIP.
影响因子：
64.8
作者：
Schafer, V. M.;Ballance, C. J.;Lucas, D. M.
通讯作者：
Lucas, D. M.