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Cryo-CMOS Dual-Qubit Homodyne Reflectometer Array With Degenerate Parametric Amplification
2026-06-25 Hits:Journal:IEEE Journal of Solid-State Circuits (JSSC)
Place of Publication:USA
Key Words:Cryogenic CMOS (Cryo-CMOS), degenerate parametric amplifier (DPA), dynamic mode coupling (DMC)
Abstract:In quantum computers, the quantum state discrimination of the physical quantum bits (Qubits) occupies ~80% of the quantum error correction (QEC) cycle. The RF reflectometry or dispersive readout determines the Qubit state by monitoring the RF reflection of the attached high-Q resonant tank. Compared to their dc counterparts, the RF reflectometers enjoy a high signal-to-noise ratio (SNR), low drifting, and fast speed. As a result, a high-fidelity, single-shot, scalable reflectometer array based on cryogenic CMOS (Cryo-CMOS) ICs is in demand for the future large-scale Qubit array.
Note:Invited paper from ASSCC 2023.
JSSC: https://ieeexplore.ieee.org/document/10614653
ASSCC 2023: https://ieeexplore.ieee.org/document/10347990
All the Authors:Haichuan Lin,Bo Wang
First Author:Yujie Geng
Indexed by:Journal
Correspondence Author:Cheng Wang
Document Code:10.1109/JSSC.2024.3430079
Discipline:Engineering
First-Level Discipline:Electronic science and technology
Volume:59
Issue:10
Page Number:3290 - 3306
Translation or Not:no
Date of Publication:2024-10-01
Date of Publication:2024-10-01
Attachments:
Cheng Wang