封面:利用超导体单通量量子脉冲产生具有增强振幅的微波信号以控制量子比特(量子技术进展 8/2024)

IF 4.4 Q1 OPTICS Advanced quantum technologies Pub Date : 2024-08-13 DOI:10.1002/qute.202470020
Hongxiang Shen, Yuxing He, Zeyu Han, Zongyuan Li, Wenhui Luo, Lan Cheng, Yanyi Luo, Bo Jing, Nobuyuki Yoshikawa
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引用次数: 0

摘要

这张封面图片说明了通过滤波网络转换超导单流量子(SFQ)脉冲,生成用于量子比特控制的微波波形。输出微波可通过管理 SFQ 脉冲对的条件进行调制。具体来说,反极性脉冲对(RPPP)方法可实现最大输出振幅,并精确控制微波的初始相位。这种方法有利于在低温环境中进行片上量子比特控制,大大降低了热噪声和互连电缆,这对大规模量子计算至关重要。更多详情,请参阅沈洪祥、何宇星、吉川伸之及其合作者的 2400001 号文章。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Front Cover: Generating Microwave Signals with Enhancive Amplitudes Using Superconductor Single Flux Quantum Pulses for Controlling Quantum Bit (Adv. Quantum Technol. 8/2024)

This cover image illustrates the generation of microwave waveforms for qubit control by transforming superconducting single-flux-quantum (SFQ) pulses through a filtering network. The output microwave can be modulated by managing the condition of an SFQ pulse pair. Specifically, the reverse-polarity pulse-pair (RPPP) method enables maximum output amplitude and precise control over the initial phase of the microwave. This approach facilitates on-chip qubit control in a cryogenic environment, significantly reducing thermal noise and interconnecting cables, which is crucial for large-scale quantum computing. For further details see article number 2400001 by Hongxiang Shen, Yuxing He, Nobuyuki Yoshikawa, and co-workers.

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Front Cover: Laser Beam Induced Charge Collection for Defect Mapping and Spin State Readout in Diamond (Adv. Quantum Technol. 12/2024) Inside Front Cover: Numerical Investigation of a Coupled Micropillar - Waveguide System for Integrated Quantum Photonic Circuits (Adv. Quantum Technol. 12/2024) Back Cover: Purity-Assisted Zero-Noise Extrapolation for Quantum Error Mitigation (Adv. Quantum Technol. 12/2024) Issue Information (Adv. Quantum Technol. 12/2024) Issue Information (Adv. Quantum Technol. 11/2024)
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