activity
20142026
most citedSuppressing quantum errors by scaling a surface code logical qubit

1.1k citations · 4.2k across the 54 of their papers we have counts for

collaborators
Showing 2022Show all

15 papers · 1 filter

quant-ph2022★ 76 cited

Measurement-Induced State Transitions in a Superconducting Qubit: Within the Rotating Wave Approximation

Mostafa Khezri, Alex Opremcak, Zijun Chen +9

Superconducting qubits typically use a dispersive readout scheme, where a resonator is coupled to a qubit such that its frequency is qubit-state dependent. Measurement is performed…

quant-ph2022★ 58 cited

Programmable Heisenberg interactions between Floquet qubits

Long B. Nguyen, Yosep Kim, Akel Hashim +9

The fundamental trade-off between robustness and tunability is a central challenge in the pursuit of quantum simulation and fault-tolerant quantum computation. In particular, many…

quant-ph2022

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…

quant-ph2022★ 88 cited

Overcoming leakage in scalable quantum error correction

Kevin C. Miao, Matt McEwen, Juan Atalaya +114

Leakage of quantum information out of computational states into higher energy states represents a major challenge in the pursuit of quantum error correction (QEC). In a QEC circuit…

quant-ph2022★ 69 cited

Purification-based quantum error mitigation of pair-correlated electron simulations

T. E. O'Brien, G. Anselmetti, F. Gkritsis +173

An important measure of the development of quantum computing platforms has been the simulation of increasingly complex physical systems. Prior to fault-tolerant quantum computing,…

quant-ph2022★ 14 cited

Non-Abelian braiding of graph vertices in a superconducting processor

Trond I. Andersen, Yuri D. Lensky, Kostyantyn Kechedzhi +166

Indistinguishability of particles is a fundamental principle of quantum mechanics. For all elementary and quasiparticles observed to date - including fermions, bosons, and Abelian…

quant-ph2022★ 47 cited

Readout of a quantum processor with high dynamic range Josephson parametric amplifiers

T. C. White, Alex Opremcak, George Sterling +91

We demonstrate a high dynamic range Josephson parametric amplifier (JPA) in which the active nonlinear element is implemented using an array of rf-SQUIDs. The device is matched to…

quant-ph2022★ 1.1k cited

Suppressing quantum errors by scaling a surface code logical qubit

Rajeev Acharya, Igor Aleiner, Richard Allen +154

Practical quantum computing will require error rates that are well below what is achievable with physical qubits. Quantum error correction offers a path to algorithmically-relevant…

quant-ph2022★ 2 cited

Multipartite Entanglement in Rabi Driven Superconducting Qubits

M. Lu, J. L. Ville, J. Cohen +12

Exploring highly connected networks of qubits is invaluable for implementing various quantum algorithms and simulations as it allows for entangling qubits with reduced circuit dept…

quant-ph2022★ 13 cited

Benchmarking quantum logic operations relative to thresholds for fault tolerance

Akel Hashim, Stefan Seritan, Timothy Proctor +6

Contemporary methods for benchmarking noisy quantum processors typically measure average error rates or process infidelities. However, thresholds for fault-tolerant quantum error c…

quant-ph2022★ 32 cited

Effects of Laser-Annealing on Fixed-Frequency Superconducting Qubits

Hyunseong Kim, Christian Jünger, Alexis Morvan +10

As superconducting quantum processors increase in complexity, techniques to overcome constraints on frequency crowding are needed. The recently developed method of laser-annealing…

quant-ph2022★ 141 cited

High-Fidelity Qutrit Entangling Gates for Superconducting Circuits

Noah Goss, Alexis Morvan, Brian Marinelli +9

Ternary quantum information processing in superconducting devices poses a promising alternative to its more popular binary counterpart through larger, more connected computational…

quant-ph2022★ 85 cited

Formation of robust bound states of interacting microwave photons

Alexis Morvan, Trond I. Andersen, Xiao Mi +147

Systems of correlated particles appear in many fields of science and represent some of the most intractable puzzles in nature. The computational challenge in these systems arises w…

quant-ph2022★ 96 cited

Noise-resilient Edge Modes on a Chain of Superconducting Qubits

Xiao Mi, Michael Sonner, Murphy Yuezhen Niu +125

Inherent symmetry of a quantum system may protect its otherwise fragile states. Leveraging such protection requires testing its robustness against uncontrolled environmental intera…

quant-ph2022★ 91 cited

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…