Scaling of quantum computers to fault-tolerant levels relies critically on the integration of
energy-efficient, stable, and reproducible qubit control and readout electronics. In …

Conventional semiconductor-based digital electronics, with complementary metal oxide
semiconductor (CMOS) technology as the primary example, has experienced meteoric …

Quantum computers with thousands or millions of qubits will require a scalable solution for
qubit control and readout electronics. Colocating these electronics at millikelvin …

We report low-power single-flux-quantum (SFQ) circuits fabricated with a lowered critical
current density process and low-voltage design. We selected 250 A/cm to obtain 2–10 μA …

We report on the design, fabrication, and measurement of a very high frequency band
Josephson arbitrary waveform synthesizer (VHF-JAWS) at frequencies from 1 kHz to 50.05 …

We describe our process for fabricating single-flux-quantum circuits for applications in
communications metrology, advanced computing, and quantum information. The process …

We review our development of Josephson-junction-based programmable reference sources
to synthesize spectrally pure waveforms with quantum-based voltage accuracy for …

Suzuki stack circuits, a type of latching high-voltage driver circuit, are widely used in
Josephson–CMOS hybrid memories. The existing Suzuki stack designs utilize only single …

We demonstrate a sub-GHz resolution, fully programmable Fourier-domain pulse shaper
capable of generating arbitrary optical pulse patterns for superconducting circuit platforms …

We are developing a new instrument, the RF Josephson arbitrary waveform synthesizer (RF-
JAWS), for communications metrology and quantum information applications. An important …