1.2k citations · 1.9k across the 14 of their papers we have counts for
14 papers
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 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…
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…
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,…
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…
Monitoring fast superconducting qubit dynamics using a neural network
G. Koolstra, N. Stevenson, S. Barzili +11
Weak measurements of a superconducting qubit produce noisy voltage signals that are weakly correlated with the qubit state. To recover individual quantum trajectories from these no…
Quantum-tailored machine-learning characterization of a superconducting qubit
Élie 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…
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…
Spectroscopy of Wigner molecules on superfluid helium using a superconducting resonator
G. Koolstra, Ge Yang, D. I. Schuster
Electrons on helium form a unique two-dimensional electron system on the interface of liquid helium and vacuum. On liquid helium, trapped electrons can arrange into strongly correl…
Atomic layer deposition of titanium nitride for quantum circuits
A. Shearrow, G. Koolstra, S. J. Whiteley +6
Superconducting thin films with high intrinsic kinetic inductance are of great importance for photon detectors, achieving strong coupling in hybrid systems, and protected qubits. W…
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…
Coupling an ensemble of electrons on superfluid helium to a superconducting circuit
Ge Yang, A. Fragner, G. Koolstra +4
The quantized lateral motional states and the spin states of electrons trapped on the surface of superfluid helium have been proposed as basic building blocks of a scalable quantum…
Heralded entanglement between solid-state qubits separated by 3 meters
H. Bernien, B. Hensen, W. Pfaff +8
Quantum entanglement between spatially separated objects is one of the most intriguing phenomena in physics. The outcomes of independent measurements on entangled objects show corr…