Quantum error correction below the surface code threshold
Quantum error correction provides a path to reach practical quantum computing by
combining multiple physical qubits into a logical qubit, where the logical error rate is …
combining multiple physical qubits into a logical qubit, where the logical error rate is …
Algorithmic fault tolerance for fast quantum computing
Fast, reliable logical operations are essential for the realization of useful quantum
computers, as they are required to implement practical quantum algorithms at large scale …
computers, as they are required to implement practical quantum algorithms at large scale …
[PDF][PDF] Creating entangled logical qubits in the heavy-hex lattice with topological codes
Designs for quantum error correction depend strongly on the connectivity of the qubits. For
solid-state qubits, the most straightforward approach is to have connectivity constrained to a …
solid-state qubits, the most straightforward approach is to have connectivity constrained to a …
Optimization of decoder priors for accurate quantum error correction
Accurate decoding of quantum error-correcting codes is a crucial ingredient in protecting
quantum information from decoherence. It requires characterizing the error channels …
quantum information from decoherence. It requires characterizing the error channels …
Cross-Cap Defects and Fault-Tolerant Logical Gates in the Surface Code and the Honeycomb Floquet Code
We consider the Z 2 toric code, surface code, and Floquet code defined on a nonorientable
surface, which can be considered as families of codes extending Shor's nine-qubit code. We …
surface, which can be considered as families of codes extending Shor's nine-qubit code. We …
Fault-tolerant optical interconnects for neutral-atom arrays
We analyze the use of photonic links to enable large-scale fault-tolerant connectivity of
locally error-corrected modules based on neutral atom arrays. Our approach makes use of …
locally error-corrected modules based on neutral atom arrays. Our approach makes use of …
Efficient fault-tolerant code switching via one-way transversal CNOT gates
S Heußen, J Hilder - arxiv preprint arxiv:2409.13465, 2024 - arxiv.org
Code switching is an established technique that facilitates a universal set of FT quantum
gate operations by combining two QEC codes with complementary sets of gates, which each …
gate operations by combining two QEC codes with complementary sets of gates, which each …
Enhanced fault-tolerance in photonic quantum computing: Floquet code outperforms surface code in tailored architecture
Fault-tolerant quantum computing is crucial for realizing large-scale quantum computation,
and the interplay between hardware architecture and quantum error-correcting codes is a …
and the interplay between hardware architecture and quantum error-correcting codes is a …
Experimental demonstration of logical magic state distillation
Realizing universal fault-tolerant quantum computation is a key goal in quantum information
science. By encoding quantum information into logical qubits utilizing quantum error …
science. By encoding quantum information into logical qubits utilizing quantum error …
On the Constant Depth Implementation of Pauli Exponentials
I Moflic, A Paler - arxiv preprint arxiv:2408.08265, 2024 - arxiv.org
We decompose for the first time, under the very restrictive linear nearest-neighbour
connectivity, $ Z\otimes Z\ldots\otimes Z $ exponentials of arbitrary length into circuits of …
connectivity, $ Z\otimes Z\ldots\otimes Z $ exponentials of arbitrary length into circuits of …