Publications (9)
Electron charge qubits with 0.1 millisecond coherence time
Xianjing Zhou, Xinhao Li, Qianfan Chen +9
Electron charge qubits are compelling candidates for solid-state quantum computing because of their inherent simplicity in qubit design, fabrication, control, and readout. However,…
Time-Dependent Hamiltonian Reconstruction using Continuous Weak Measurements
Karthik Siva, Gerwin Koolstra, John Steinmetz +9
Reconstructing the Hamiltonian of a quantum system is an essential task for characterizing and certifying quantum processors and simulators. Existing techniques either rely on proj…
Single electrons on solid neon as a solid-state qubit platform
Xianjing Zhou, Gerwin Koolstra, Xufeng Zhang +9
Progress toward the realization of quantum computers requires persistent advances in their constituent building blocks - qubits. Novel qubit platforms that simultaneously embody lo…
Scalable High-Performance Fluxonium Quantum Processor
Long B. Nguyen, Gerwin Koolstra, Yosep Kim +12
The technological development of hardware heading toward universal fault-tolerant quantum computation requires a large-scale processing unit with high performance. While fluxonium…
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…
Probing spin-phonon interactions in silicon carbide with Gaussian acoustics
Samuel J. Whiteley, Gary Wolfowicz, Christopher P. Anderson +11
Hybrid spin-mechanical systems provide a platform for integrating quantum registers and transducers. Efficient creation and control of such systems require a comprehensive understa…
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…
Implementation of scalable suspended superinductors
Christian Jünger, Trevor Chistolini, Long B. Nguyen +7
Superinductors have become a crucial component in the superconducting circuit toolbox, playing a key role in the development of more robust qubits. Enhancing the performance of the…
Quantum-tailored machine-learning characterization of a superconducting qubit
Ãlie Genois, Jonathan A. Gross, Agustin Di Paolo +5
Machine learning (ML) is a promising approach for performing challenging quantum-information tasks such as device characterization, calibration and control. ML models can train dir…