Noisy intermediate-scale quantum computers

B Cheng, XH Deng, X Gu, Y He, G Hu, P Huang, J Li… - Frontiers of …, 2023 - Springer
Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

Coupler-assisted leakage reduction for scalable quantum error correction with superconducting qubits

X Yang, J Chu, Z Guo, W Huang, Y Liang, J Liu, J Qiu… - Physical Review Letters, 2024 - APS
Superconducting qubits are a promising platform for building fault-tolerant quantum
computers, with recent achievement showing the suppression of logical error with increasing …

Empowering a qudit-based quantum processor by traversing the dual bosonic ladder

LB Nguyen, N Goss, K Siva, Y Kim, E Younis… - Nature …, 2024 - nature.com
High-dimensional quantum information processing has emerged as a promising avenue to
transcend hardware limitations and advance the frontiers of quantum technologies …

Two-qutrit quantum algorithms on a programmable superconducting processor

T Roy, Z Li, E Kapit, DI Schuster - Physical Review Applied, 2023 - APS
Processing quantum information using quantum three-level systems or qutrits as the
fundamental unit is an alternative to contemporary qubit-based architectures with the …

Performing Operations and Rudimentary Algorithms in a Superconducting Transmon Qudit for and

P Liu, R Wang, JN Zhang, Y Zhang, X Cai, H Xu, Z Li… - Physical Review X, 2023 - APS
Quantum-computation architecture based on d-level systems, or qudits, has attracted
considerable attention recently due to their enlarged Hilbert space. Extensive theoretical …

Experimental realization of two qutrits gate with tunable coupling in superconducting circuits

K Luo, W Huang, Z Tao, L Zhang, Y Zhou, J Chu… - Physical Review Letters, 2023 - APS
Gate-based quantum computation has been extensively investigated using quantum circuits
based on qubits. In many cases, such qubits are actually made out of multilevel systems but …

Extending the computational reach of a superconducting qutrit processor

N Goss, S Ferracin, A Hashim… - npj Quantum …, 2024 - nature.com
Quantum computing with qudits is an emerging approach that exploits a larger, more
connected computational space, providing advantages for many applications, including …

Programmable Heisenberg interactions between Floquet qubits

LB Nguyen, Y Kim, A Hashim, N Goss, B Marinelli… - Nature Physics, 2024 - nature.com
The trade-off between robustness and tunability is a central challenge in the pursuit of
quantum simulation and fault-tolerant quantum computation. In particular, quantum …

A practical introduction to benchmarking and characterization of quantum computers

A Hashim, LB Nguyen, N Goss, B Marinelli… - ar** Hamiltonian models for quantum processors with many qubits on the same chip
is crucial for advancing quantum computing technologies. Stray couplings between qubits …