A Cryo-CMOS Quantum Computing Unit Interface Chipset in 28nm Bulk CMOS with Phase-Detection Based Readout and Phase-Shifter Based Pulse Generation

📋 论文概要

该论文提出了一种基于28nm体硅CMOS工艺的低温CMOS量子计算单元接口芯片组，采用相位检测读出和相移技术，旨在解决量子计算平台中低温CMOS ASIC的功耗和集成度问题。

💡 主要创新点

• 采用相位检测读出架构，替代传统的正交下变频架构，降低功耗。
• 集成相移功能，优化量子比特状态控制与读出的协同工作。

🏷 关键词

📄 原文摘要

Beijing Academy of Quantum Information Sciences, Beijing, China 1 2 Cryogenic CMOS (Cryo-CMOS) ASICs have drawn increasing attention with great potential in scaling down the quantum computing (QC) platform. Recently, several cryoCMOS ASICs have been presented in the literature, including the qubit state readout ASICs [1-4] and state controller ASICs [5-8]. For readout ASICs, the quadrature down conversion architecture is widely adopted, with the power consumption ranging from 20mW [1] to 75mW [2]. Also, significant progress has been made in reducing the power consumption of qubit controllers. The controller in [5] consumes a power of <4mW/qubit under active control, when controlling a superconducting quantum computing unit cell.

👥 作者与机构

Yanshu Guo1,2, Qichun Liu3, Wenqiang Huang1, Yaoyu Li1, Tian Tian1, Nan Wu1,

Siqi Zhang1, Tiefu Li1,3, Zhihua Wang1, Ning Deng1, Yuanjin Zheng2, Hanjun Jiang1 Tsinghua University, Beijing, China Nanyang Technological University, Singapore, Singapore 3