A major challenge in the field of quantum computing is the construction of scalable qubit
coupling architectures. Here, we demonstrate a novel tunable coupling circuit that allows …

The interfacial microstructures of Josephson junctions are vital for understanding the
microscopic mechanism to improve the performance of superconducting qubits further …

We report spectroscopic measurements of discrete two-level systems (TLSs) coupled to a dc
superconducting quantum interference device phase qubit with a 16 μ m 2 area Al/AlO x/Al …

We investigate how different interface geometries of an Al/Al 2 O 3 junction, a common
component of modern tunnel devices, affect electron transport through the tunnel barrier. We …

We present Rabi oscillation measurements of a Nb/AlO x/Nb dc superconducting quantum
interference device (SQUID) phase qubit with a 100 μ m 2 area junction acquired over a …

We fabricated an asymmetric nanoscale SQUID consisting of one nanobridge weak link and
one Dayem bridge weak link. The current phase relation of these particular weak links is …

We report measurements of Rabi oscillations and spectroscopic coherence times in an
Al/AlO x/Al and three Nb/AlO x/Nb dc SQUID phase qubits. One junction of the SQUID acts …

We analyze the behavior of a dc superconducting quantum interference device phase qubit
in which one junction acts as a phase qubit and the rest of the device provides isolation from …

Rabi oscillations have been observed in many superconducting devices, and represent
prototypical logic operations for quantum bits (qubits) in a quantum computer. We use a …

We present experimental results on a microwave scheme for reading out a Josephson
phase qubit. A capacitively shunted superconducting quantum interference device (SQUID) …