Evidence for the utility of quantum computing before fault tolerance
Quantum computing promises to offer substantial speed-ups over its classical counterpart for
certain problems. However, the greatest impediment to realizing its full potential is noise that …
certain problems. However, the greatest impediment to realizing its full potential is noise that …
[HTML][HTML] Interacting topological quantum aspects with light and geometrical functions
K Le Hur - Physics Reports, 2025 - Elsevier
I review my recent progress and develop a geometrical approach in the quantum with light
as a guide, from the vector potential in classical physics, revealing that topological …
as a guide, from the vector potential in classical physics, revealing that topological …
Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments
Today's experimental noisy quantum processors can compete with and surpass all known
algorithms on state-of-the-art supercomputers for the computational benchmark task of …
algorithms on state-of-the-art supercomputers for the computational benchmark task of …
Disentangling losses in tantalum superconducting circuits
Superconducting qubits are a leading system for realizing large-scale quantum processors,
but overall gate fidelities suffer from coherence times limited by microwave dielectric loss …
but overall gate fidelities suffer from coherence times limited by microwave dielectric loss …
Optimizing quantum gates towards the scale of logical qubits
A foundational assumption of quantum error correction theory is that quantum gates can be
scaled to large processors without exceeding the error-threshold for fault tolerance. Two …
scaled to large processors without exceeding the error-threshold for fault tolerance. Two …
Stable quantum-correlated many-body states through engineered dissipation
Engineered dissipative reservoirs have the potential to steer many-body quantum systems
toward correlated steady states useful for quantum simulation of high-temperature …
toward correlated steady states useful for quantum simulation of high-temperature …
Chemical profiles of the oxides on tantalum in state of the art superconducting circuits
Over the past decades, superconducting qubits have emerged as one of the leading
hardware platforms for realizing a quantum processor. Consequently, researchers have …
hardware platforms for realizing a quantum processor. Consequently, researchers have …
Edge modes and symmetry-protected topological states in open quantum systems
Topological order offers possibilities for processing quantum information that can be
immune to imperfections. However, the question of its stability out of equilibrium is relevant …
immune to imperfections. However, the question of its stability out of equilibrium is relevant …
Quantum simulation of topological zero modes on a 41-qubit superconducting processor
Quantum simulation of different exotic topological phases of quantum matter on a noisy
intermediate-scale quantum (NISQ) processor is attracting growing interest. Here, we …
intermediate-scale quantum (NISQ) processor is attracting growing interest. Here, we …