Single flux quantum (SFQ) digital logic has been proposed for the scalable control of next-
generation superconducting-qubit arrays. In the initial implementation, SFQ-based gate …

Quantum simulations of lattice gauge theories for the foreseeable future will be hampered by
limited resources. The historical success of improved lattice actions in classical simulations …

For superconducting quantum processors, microwave signals are delivered to each qubit
from room-temperature electronics to the cryogenic environment through coaxial cables …

Quantum processors have the potential to accelerate specific computing tasks but are
difficult to scale up due to engineering limitations, such as the number of available cables …

The development of quantum computers based on superconductors requires the
improvement of the qubit state control approach aimed at the increase of the hardware …

To achieve large-scale quantum processors, cryogenic quantum-bit (qubit) interface circuits
that can control qubits inside a dilution refrigerator are indispensable. Superconducting …

Single-flux-quantum (SFQ) digital circuitry has great potential in building a scalable control
system of superconducting qubits. In this work, we describe a practical SFQ-based two-qubit …

Single flux quantum (SFQ) circuitry is a promising candidate for a scalable and integratable
cryogenic quantum control system. However, the operation of SFQ circuits introduces …

Silicon technology offers the enticing opportunity for monolithic integration of quantum and
classical electronic circuits. However, the power consumption levels of classical electronics …

We present electrical characterization data of sputtered Nb/a-Si/Nb Josephson junctions
(JJs) for high-speed and high-density superconducting circuits. Junctions were studied with …