Demonstrating two-qubit entangling gates at the quantum speed limit using superconducting qubits

J Howard, A Lidiak, C Jameson, B Basyildiz, K Clark… - ArXivorg, 2022 - par.nsf.gov
… , which could guide the optimal design of quantum gates in future quantum computers. In …
twoqubit gates that are speed optimized, and we demonstrate the method experimentally using

[PDF][PDF] Demonstrating two-qubit gates at the quantum speed limit using superconducting qubits

J Howard, A Lidiak, C Jameson, B Basyildiz, K Clark… - 2022 - academia.edu
twoqubit gates that are speed optimized, and we demonstrate the method experimentally
using … method can achieve maximally entangling two-qubit gates close to their analytical speed

Optimal Control and Speed Limits of Two-Qubit Quantum Gates

B Basyildiz - 2024 - search.proquest.com
… will use it to successfully demonstrate two-qubit gate QSLs on … two coupled weakly anharmonic
superconducting qubits [30]. … entangling two-qubit gates, such as the CNOT gate, close to …

Fast and robust geometric two-qubit gates for superconducting qubits and beyond

F Setiawan, P Groszkowski, AA Clerk - Physical Review Applied, 2023 - APS
Using experimentally realistic parameters, we demonstrate, … our accelerated two-qubit gates
yield a competitive gate fidelity. … Thus, this speed limit on our gate is very different from more …

High-fidelity, high-scalability two-qubit gate scheme for superconducting qubits

Y Xu, J Chu, J Yuan, J Qiu, Y Zhou, L Zhang, X Tan… - Physical review …, 2020 - APS
… Here, we experimentally demonstrate a new twoqubit gatequbits and a tunable coupler in
a superconducting quantumqubits and is responsible for generating the entanglement. Finite …

High-fidelity qutrit entangling gates for superconducting circuits

N Goss, A Morvan, B Marinelli, BK Mitchell… - Nature …, 2022 - nature.com
… ,42 demonstrated that the architecture employed in the Cross-resonance (CR) entangling gate
can also realize a two-qubit CZ gate by … driving a pair of coupled qubits off-resonantly. The …

Design and Optimal Control of Superconducting Qubits to Achieve Quantum Entangling Gate Speed Limits

JA Howard - 2022 - search.proquest.com
… experimentally demonstrate reaching those speed limits on two superconducting transmon
qubits … achieving these specific speed limits experimentally on the two-qubit platform at NIST. …

Quantum crosstalk cancellation for fast entangling gates and improved multi-qubit performance

KX Wei, E Magesan, I Lauer, S Srinivasan… - arXiv preprint arXiv …, 2021 - arxiv.org
… We demonstrate ZZ cancellation on a line of 7 qubits … The inset shows a circuit representation
of the primary two-qubit device … Steffen, “Entanglement of two superconducting qubits in a …

Double-transmon coupler: Fast two-qubit gate with no residual coupling for highly detuned superconducting qubits

H Goto - Physical review applied, 2022 - APS
… Although two-qubit entangling gates are necessary for universal quantum computing, they
… error correction [8–12], have been demonstrated experimentally by using only a few kinds of …

Proposal for entangling gates on fluxonium qubits via a two-photon transition

KN Nesterov, Q Ficheux, VE Manucharyan, MG Vavilov - PRX Quantum, 2021 - APS
… families of two-qubit gates realized with these qubits: flux-… state-of-the-art superconducting
qubits [6] with the best lifetimes … at the speed limit in a superconducting quantum processor, …