Decoding algorithms for surface codes
Quantum technologies have the potential to solve certain computationally hard problems
with polynomial or super-polynomial speedups when compared to classical methods …
with polynomial or super-polynomial speedups when compared to classical methods …
Logical quantum processor based on reconfigurable atom arrays
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …
Quantum error correction below the surface code threshold
R Acharya, L Aghababaie-Beni, I Aleiner… - arXiv preprint arXiv …, 2024 - arxiv.org
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 …
Correlated decoding of logical algorithms with transversal gates
Quantum error correction is believed to be essential for scalable quantum computation, but
its implementation is challenging due to its considerable space-time overhead. Motivated by …
its implementation is challenging due to its considerable space-time overhead. Motivated by …
Fault-tolerant one-bit addition with the smallest interesting color code
Fault-tolerant operations based on stabilizer codes are the state of the art in suppressing
error rates in quantum computations. Most such codes do not permit a straightforward …
error rates in quantum computations. Most such codes do not permit a straightforward …
Quantum memory at nonzero temperature in a thermodynamically trivial system
Passive error correction protects logical information forever (in the thermodynamic limit) by
updating the system based only on local information and few-body interactions. A …
updating the system based only on local information and few-body interactions. A …
Constructions and performance of hyperbolic and semi-hyperbolic floquet codes
O Higgott, NP Breuckmann - PRX Quantum, 2024 - APS
We construct families of Floquet codes derived from color-code tilings of closed hyperbolic
surfaces. These codes have weight-two check operators, a finite encoding rate and can be …
surfaces. These codes have weight-two check operators, a finite encoding rate and can be …
Entangling four logical qubits beyond break-even in a nonlocal code
Quantum error correction protects logical quantum information against environmental
decoherence by encoding logical qubits into entangled states of physical qubits. One of the …
decoherence by encoding logical qubits into entangled states of physical qubits. One of the …
High-performance fault-tolerant quantum computing with many-hypercube codes
H Goto - Science Advances, 2024 - science.org
Standard approaches to quantum error correction for fault-tolerant quantum computing are
based on encoding a single logical qubit into many physical ones, resulting in asymptotically …
based on encoding a single logical qubit into many physical ones, resulting in asymptotically …
Technologies for modulation of visible light and their applications
Control over the amplitude, phase, and spatial distribution of visible-spectrum light underlies
many technologies, but commercial solutions remain bulky, require high control power, and …
many technologies, but commercial solutions remain bulky, require high control power, and …