A Scalable Cryo-CMOS 2-to-20GHz Digitally Intensive Controller for 4×32 Frequency Multiplexed Spin Qubits/Transmons in 22nm FinFET Technology for Quantum Computers

📋 论文概要

本文提出了一种可扩展的低温CMOS数字密集型控制器，工作频率为2-20GHz，用于4×32频率复用的自旋量子比特/Transmon量子比特。该控制器解决了在低温环境下对大量量子比特进行高效、低功耗控制的问题。

💡 主要创新点

• 提出了一种数字密集型架构，实现了2-20GHz的宽频率范围，适用于多种量子比特类型。
• 实现了4×32频率复用，显著提高了量子比特控制的扩展性和集成度。
• 在低温CMOS工艺中实现了低功耗和高性能的控制器，适用于大规模量子计算系统。

🏷 关键词

📄 原文摘要

Andrea Corna1, Xiao Xue1, Charles Jeon2, Farhana Sheikh2, Esdras Juarez-Hernandez3, Brando Perez Esparza3, Huzaifa Rampurawala2, Brent Carlton2, Nodar Samkharadze4, Surej Ravikumar2, Carlos Nieva2, Sungwon Kim2, Hyung-Jin Lee2, Amir Sammak4, Giordano Scappucci1, Menno Veldhorst1, Lieven M. K. Vandersypen1,2, Masoud Babaie**1, Fabio Sebastiano**1, Edoardo Charbon**2,5, Stefano Pellerano**2 Delft University of Technology, Delft, The Netherlands, 2Intel, Hillsboro, OR Intel, Guadalajara, Mexico, 4TNO, Delft, The Netherlands 5 EPFL, Neuchatel, Switzerland *Equally-Credited Authors (ECAs), **Equally-Credited Authors (ECAs) 1 3 Quantum computers (QC), comprising qubits and a classical controller, can provide exponential speed-up in solving certain problems. Among solid-state qubits, transmons and spin-qubits are the most promising, operating ≪ 1K. A qubit can be implemented in a physical system with two distinct energy levels

👥 作者与机构

Bishnu Patra*1, Jeroen P. G. van Dijk*1, Sushil Subramanian2,