Superconducting qubits: Current state of play
M Kjaergaard, ME Schwartz… - Annual Review of …, 2020 - annualreviews.org
Superconducting qubits are leading candidates in the race to build a quantum computer
capable of realizing computations beyond the reach of modern supercomputers. The …
capable of realizing computations beyond the reach of modern supercomputers. The …
[HTML][HTML] Bosonic quantum error correction codes in superconducting quantum circuits
Quantum information is vulnerable to environmental noise and experimental imperfections,
hindering the reliability of practical quantum information processors. Therefore, quantum …
hindering the reliability of practical quantum information processors. Therefore, quantum …
Logical states for fault-tolerant quantum computation with propagating light
To harness the potential of a quantum computer, quantum information must be protected
against error by encoding it into a logical state that is suitable for quantum error correction …
against error by encoding it into a logical state that is suitable for quantum error correction …
Realization of High-Fidelity CZ and -Free iSWAP Gates with a Tunable Coupler
High-fidelity two-qubit gates at scale are a key requirement to realize the full promise of
quantum computation and simulation. The advent and use of coupler elements to tunably …
quantum computation and simulation. The advent and use of coupler elements to tunably …
Building a fault-tolerant quantum computer using concatenated cat codes
We present a comprehensive architectural analysis for a proposed fault-tolerant quantum
computer based on cat codes concatenated with outer quantum error-correcting codes. For …
computer based on cat codes concatenated with outer quantum error-correcting codes. For …
Quantum information scrambling on a superconducting qutrit processor
The dynamics of quantum information in strongly interacting systems, known as quantum
information scrambling, has recently become a common thread in our understanding of …
information scrambling, has recently become a common thread in our understanding of …
Quantum computer systems for scientific discovery
The great promise of quantum computers comes with the dual challenges of building them
and finding their useful applications. We argue that these two challenges should be …
and finding their useful applications. We argue that these two challenges should be …
High-fidelity parametric beamsplitting with a parity-protected converter
Fast, high-fidelity operations between microwave resonators are an important tool for
bosonic quantum computation and simulation with superconducting circuits. An attractive …
bosonic quantum computation and simulation with superconducting circuits. An attractive …
High-on-off-ratio beam-splitter interaction for gates on bosonically encoded qubits
Encoding a qubit in a high-quality superconducting microwave cavity offers the opportunity
to perform the first layer of error correction in a single device but presents a challenge: how …
to perform the first layer of error correction in a single device but presents a challenge: how …
Quantum error correction with the Gottesman-Kitaev-Preskill code
AL Grimsmo, S Puri - PRX Quantum, 2021 - APS
The Gottesman-Kitaev-Preskill (GKP) code was proposed in 2001 by Daniel Gottesman,
Alexei Kitaev, and John Preskill as a way to encode a qubit in an oscillator. The GKP …
Alexei Kitaev, and John Preskill as a way to encode a qubit in an oscillator. The GKP …