Results 61 to 70 of about 469,577 (351)
Quantum Error Correction for Metrology [PDF]
Physical Review Letters, 2014 We propose and analyze a new approach based on quantum error correction (QEC) to improve quantum metrology in the presence of noise. We identify the conditions under which QEC allows one to improve the signal-to-noise ratio in quantum-limited measurements, and we demonstrate that it enables, in certain situations, Heisenberg-limited sensitivity.
Kessler, Eric +3 more
openaire +4 more sources
Information-theoretic approach to quantum error correction and reversible measurement [PDF]
, 1997 Quantum operations provide a general description of the state changes allowed by quantum mechanics. The reversal of quantum operations is important for quantum error-correcting codes, teleportation, and reversing quantum measurements.
Benjamin Schumacher +4 more
core +4 more sources
Quantum error correction with dissipatively stabilized squeezed-cat qubits [PDF]
Physical Review A, 2022 Noise-biased qubits are a promising route toward significantly reducing the hardware overhead associated with quantum error correction. The squeezed cat code, a non-local encoding in phase space based on squeezed coherent states, is an example of a noise-
Timo Hillmann, Fernando Quijandr'ia
semanticscholar +1 more source
Practical limits of error correction for quantum metrology
New Journal of Physics, 2021 Noise is the greatest obstacle in quantum metrology that limits it achievable precision and sensitivity. There are many techniques to mitigate the effect of noise, but this can never be done completely.
Nathan Shettell +3 more
doaj +1 more source
QUANTUM ERROR-CORRECTION FOR SPATIALLY CORRELATED ERRORS [PDF]
International Journal of Quantum Information, 2008 It is shown that errors due to spatially correlated noises can be corrected by the quantum error-correction code and error-correction procedure prepared for those for independent noises. A model of noisy-channel which is under the influence of spatially correlated quantum Brownian motion is investigated within the framework of non-equilibrium thermo ...
Arimitsu, T. +3 more
openaire +1 more source
Comparative study of quantum error correction strategies for the heavy-hexagonal lattice [PDF]
QuantumTopological quantum error correction is a milestone in the scaling roadmap of quantum computers, which targets circuits with trillions of gates that would allow running quantum algorithms for real-world problems.
C'esar Benito +3 more
semanticscholar +1 more source
Realization of Real-Time Fault-Tolerant Quantum Error Correction [PDF]
Physical Review X, 2021 Correcting errors in real time is essential for reliable large-scale quantum computations. Realizing this high-level function requires a system capable of several low-level primitives, including single-qubit and two-qubit operations, mid-circuit ...
C. Ryan-Anderson +16 more
semanticscholar +1 more source
New Journal of Physics, 2017 Quantum error correction is important to quantum information processing, which allows us to reliably process information encoded in quantum error correction codes. Efficient quantum error correction benefits from the knowledge of error rates.
Ming-Xia Huo, Ying Li
doaj +1 more source
Approximate Quantum Error Correction
Quantum Information Processing, 2002 9 pages ...
Schumacher, Benjamin +1 more
openaire +2 more sources
Replica topological order in quantum mixed states and quantum error correction [PDF]
Physical review BTopological phases of matter offer a promising platform for quantum computation and quantum error correction. Nevertheless, unlike its counterpart in pure states, descriptions of topological order in mixed states remain relatively under-explored.
Zhuan Li, Roger S. K. Mong
semanticscholar +1 more source