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

RSFQ circuits require a DC bias current to operate properly. The bias current in conventional
RSFQ circuits is supplied to each gate, resulting in large current requirements in VLSI …

As digital superconductor circuits based on Rapid Single Flux Quantum (RSFQ) logic scale
up in complexity, so does the total current required to provide dc bias. Serial biasing (SB) is …

Long ago, current recycling or serial biasing technique was recognized as a promising
solution for the reduction of bias current in VLSI dc biased digital superconductor circuits …

Single-flux-quantum (SFQ) circuits operate at higher frequencies with much lower power
consumption when compared to their CMOS counterparts. Synchronous SFQ circuits require …

Fast time-to-digital converters (TDCs), used to convert a continuous time interval into
discrete number for further processing, serve diverse applications ranging from …

Superconducting logic is fast and energy efficient relative to CMOS but also fundamental
studies are needed to scale up circuits for greater utility. Recently, ballistic shift registers for …

We propose and demonstrate a low-power and low-current cryogenic readout interface for a
superconducting nanowire single-photon detector (SSPD) using adiabatic quantum-flux …

There has been renewed interest and efforts in increasing the complexity of superconductor
circuits by means of electronic design automation (EDA). Serial biasing (SB) is a technique …

We designed and tested the digital readout circuitry for superconducting nanowire single-
photon detectors (SNSPDs). The designed time-to-digital converter (TDC) comprises a …