A Cryo-CMOS DAC-Based 40-Gb/s PAM4 Wireline Transmitter for Quantum Computing

N Fakkel, M Mortazavi, RWJ Overwater… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
Addressing the advancement toward large-scale quantum computers, this article presents
the first four-level pulse amplitude modulation (PAM4) wireline transmitter (TX) operating at …

Advanced CMOS manufacturing of superconducting qubits on 300 mm wafers

J Van Damme, S Massar, R Acharya, T Ivanov… - Nature, 2024 - nature.com
The development of superconducting qubit technology has shown great potential for the
construction of practical quantum computers,. As the complexity of quantum processors …

[HTML][HTML] Measurement of cryoelectronics heating using a local quantum dot thermometer in silicon

M de Kruijf, GM Noah, A Gomez-Saiz, JJL Morton… - Chip, 2024 - Elsevier
Silicon technology offers the enticing opportunity for monolithic integration of quantum and
classical electronic circuits. However, the power consumption levels of classical electronics …

Microwave-multiplexed qubit controller using adiabatic superconductor logic

N Takeuchi, T Yamae, T Yamashita… - npj Quantum …, 2024 - nature.com
Cryogenic qubit controllers (QCs) are the key to build large-scale superconducting quantum
processors. However, developing scalable QCs is challenging because the cooling power of …

Near-Field Probing of Microwave Oscillators with Josephson Microscopy

P Zhang, J Lv, S Hou, T Liu, X Cheng, Z Wei… - Nano Letters, 2024 - ACS Publications
Voltage-controlled oscillators, serving as fundamental components in semiconductor chips,
find extensive applications in diverse modules such as phase-locked loops, clock …

Cryogenic quantum computer control signal generation using high-electron-mobility transistors

A Ferraris, E Cha, P Mueller, K Moselund… - Communications …, 2024 - nature.com
Multiplexed local charge storage, close to quantum processors at cryogenic temperatures
could generate a multitude of control signals, for electronics or qubits, in an efficient manner …

Scalable quantum-bit controller using adiabatic superconductor logic

N Takeuchi, T Yamae, T Yamashita… - arXiv preprint arXiv …, 2023 - arxiv.org
Cryogenic quantum-bit (qubit) controllers (QCs) are the key to build large-scale
superconducting quantum processors. However, developing scalable QCs is challenging …

[HTML][HTML] Dynamics of gate-controlled superconducting Dayem bridges

F Joint, K Rafsanjani Amin, IPC Cools… - Applied Physics …, 2024 - pubs.aip.org
Local control of superconducting circuits by high-impedance electrical gates offers potential
advantages in superconducting logic, quantum processing units, and cryoelectronics …

Stochastic waveform estimation at the fundamental quantum limit

JW Gardner, T Gefen, SA Haine, JJ Hope… - arXiv preprint arXiv …, 2024 - arxiv.org
Although measuring the deterministic waveform of a weak classical force is a well-studied
problem, estimating a random waveform, such as the spectral density of a stochastic signal …

[HTML][HTML] Optimizing multi-tone microwave pulses via phase selection for quantum computing applications

R Ohira, R Matsuda, H Shiomi, K Ogawa… - Journal of Applied …, 2024 - pubs.aip.org
Multi-tone microwave signals are crucial for advanced quantum computing applications,
including frequency-multiplexed qubit control and simultaneous two-qubit gate execution …