20 citations · 57 across the 8 of their papers we have counts for
8 papers · 1 filter
Dynamically protected erasure qubit via low-frequency charge driving
Ahmed Hajr, Ke Wang, Bingcheng Qing +6
Dynamical protection via strong driving can enable resilient quantum processing on imperfect physical hardware. However, the practical utility of such schemes is frequently limited…
Low loss superconducting resonators enabled by aluminum microstructural engineering and dielectric trimming
Mahmoud Almansouri, Umar T. F. Alhuwaymel, Ibraheem AlYousef +5
Material losses in superconducting circuits fundamentally limit qubit coherence times and resonator quality factors. Most research efforts focus on mitigating losses at circuit int…
Flux Pumped Kerr-Free Parametric Amplifier
Kagan Yanik, Irwin Huang, Bibek Bhandari +7
We propose a flux-pumped superconducting parametric amplifier based on symmetrically threaded superconducting quantum interference devices (SQUIDs) that achieves a Kerr-free operat…
Quantum Benchmarking of High-Fidelity Noise-Biased Operations on a Detuned-Kerr-Cat Qubit
Bingcheng Qing, Ahmed Hajr, Ke Wang +19
Ubiquitous noises in quantum systems remain a key obstacle to building quantum computers, necessitating the use of quantum error correction codes. Recently, error-correcting codes…
High-Coherence Kerr-cat qubit in 2D architecture
Ahmed Hajr, Bingcheng Qing, Ke Wang +15
The Kerr-cat qubit is a bosonic qubit in which multi-photon Schrodinger cat states are stabilized by applying a two-photon drive to an oscillator with a Kerr nonlinearity. The supp…
Symmetrically Threaded Superconducting Quantum Interference Devices As Next Generation Kerr-cat Qubits
Bibek Bhandari, Irwin Huang, Ahmed Hajr +7
We theoretically explore an alternative circuit for Kerr-cat qubits based on symmetrically threaded Superconducting Quantum Interference Devices (SQUID). The Symmetrically Threaded…
Broadband CPW-based impedance-transformed Josephson parametric amplifier
Bingcheng Qing, Long B. Nguyen, Xinyu Liu +9
Quantum-limited Josephson parametric amplifiers play a pivotal role in advancing the field of circuit quantum electrodynamics by enabling the fast and high-fidelity measurement of…
Localization and reduction of superconducting quantum coherent circuit losses
M. Virginia P. Altoé, Archan Banerjee, Cassidy Berk +16
Quantum sensing and computation can be realized with superconducting microwave circuits. Qubits are engineered quantum systems of capacitors and inductors with non-linear Josephson…