一种可重构低温平台用于可扩展量子计算机的经典控制
A Reconfigurable Cryogenic Platform for the Classical Control of Scalable Quantum Computers
摘要：
固态量子比特技术的最新进展正在为容错量子计算系统铺平道路。然而，量子比特技术受到量子比特相干时间以及将量子系统与经典电子基础设施耦合的复杂性的限制。我们提出了一个基础设施，使读取和控制量子位，这是一个现场可编程门阵列（FPGA）上实现。FPGA平台支持多种量子位技术所需的功能，并且可以在4K到300K的温度范围内物理上接近量子位运行。在此温度范围内对平台进行的广泛表征表明，所有主要组件（如LUT、MMCM、PLL、BRAM、IDELAY2）都能正常工作，逻辑速度非常稳定。最后，通过在整个温度范围内运行具有相对稳定性能的集成ADC来实现稳定性。
英文摘要：
Recent advances in solid-state qubit technology are paving the way to fault-tolerant quantum computing systems. However, qubit technology is limited by qubit coherence time and by the complexity of coupling the quantum system with a classical electronic infrastructure. We propose an infrastructure, enabling to read and control qubits, that is implemented on a field-programmable gate array (FPGA). The FPGA platform supports functionality required by several qubit technologies and can operate physically close to the qubits over a temperature range from 4K to 300K. Extensive characterization of the platform over this temperature range revealed all major components (such as LUTs, MMCM, PLL, BRAM, IDELAY2) operate correctly and the logic speed is very stable. The stability is finally concretized by operating an integrated ADC with relatively stable performance over temperature.
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