6 papers · 1 filter
A K-band Kinetic Inductance Parametric Amplifier Near the Quantum Limit
Chaofan Wang, Shihan Liu, Yufeng Wu +4
Advancing superconducting quantum devices to higher operating frequencies broadens their functionality and enables operation at elevated temperatures, but it also requires near-qua…
A frequency-agile microwave-optical interface for superconducting qubits
Yufeng Wu, Yiyu Zhou, Haoqi Zhao +4
Superconducting quantum processors operate at microwave frequencies in millikelvin environments, making it challenging to interconnect distant nodes using conventional microwave wi…
All-nitride superconducting qubits based on atomic layer deposition
Danqing Wang, Yufeng Wu, Naomi Pieczulewski +6
The development of large-scale quantum processors benefits from superconducting qubits that can operate at elevated temperatures and be fabricated with scalable, foundry-compatible…
Nonlinear Co-simulation for Designing Kinetic Inductance Parametric Amplifiers
Likai Yang, Yufeng Wu, Chaofan Wang +4
Kinetic inductance parametric amplifiers (KIPAs) have been widely studied for small-signal detection in superconducting quantum circuits. In this work, we demonstrate the modeling…
A kilometer photonic link connecting superconducting circuits in two dilution refrigerators
Yiyu Zhou, Yufeng Wu, Chunzhen Li +4
Superconducting quantum processors are a leading platform for implementing practical quantum computation algorithms. Although superconducting quantum processors with hundreds of qu…
Broad Spectrum Coherent Frequency Conversion with Kinetic Inductance Superconducting Metastructures
Yufeng Wu, Chaofan Wang, Danqing Wang +3
Parametric frequency converters (PFCs) play a critical role in bridging the frequency gap between quantum information carriers. PFCs in the microwave band are particularly importan…