Spins in semiconductor quantum dots constitute a promising platform for scalable quantum
information processing. Coupling them strongly to the photonic modes of superconducting …

Superconducting parametric amplifiers are crucial components in microwave quantum
circuits for enabling quantum-limited signal readout. The best-performing such amplifiers are …

The performance of state-of-the-art superconducting quantum devices is currently limited by
microwave dielectric loss at different interfaces. α-tantalum is a superconductor that has …

Nonlinear superconducting devices, typically based on Josephson-junction (JJ)
nonlinearities, are the basis for superconducting quantum electronics, enabling, eg, the …

Spin-photon coupling presents an enticing opportunity for the long-range coupling of spin
qubits. The spin-photon coupling rate, gs, is proportional to the charge-photon coupling rate …

Fast measurements of quantum devices is useful in areas such as quantum sensing,
quantum computing, and nanodevice quality analysis. Here, we develop a superconductor …

The in-plane motion of an electron on helium can couple to superconducting microwave
resonators via electrical dipole coupling, offering a robust and rapid readout scheme. In …

To reach large-scale quantum computing, three-dimensional integration of scalable qubit
arrays and their control electronics in multi-chip assemblies is promising. Within these …

Aluminum-based platforms have allowed to reach major milestones for superconducting
quantum circuits. For the next generation of devices, materials that are able to maintain low …

Coherent transduction of quantum states from the microwave to the optical domain can play
a key role in quantum networking and distributed quantum computing. We present the …