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8 papers · 2 filters
Small Codes for Magic State Distillation
Mark Howard, Hillary Dawkins
Magic state distillation is a critical component in leading proposals for fault-tolerant quantum computation. Relatively little is known, however, about how to construct a magic st…
Cellular automaton decoders of topological quantum memories in the fault tolerant setting
M. Herold, M. J. Kastoryano, E. T. Campbell +1
Active error decoding and correction of topological quantum codes - in particular the toric code - remains one of the most viable routes to large scale quantum information processi…
Position-momentum entangled photon pairs in non-linear wave-guides and transmission lines
Yury Sherkunov, David M. Whittaker, Vladimir Falko
We analyse the correlation properties of light in non-linear wave-guides and transmission lines, predict the position-momentum realization of EPR paradox for photon pairs in Kerr-t…
Precision Estimation of Source Dimensions from Higher-Order Intensity Correlations
Mark E. Pearce, Thomas Mehringer, J. von Zanthier +1
An important topic of interest in imaging is the construction of protocols that are not diffraction limited. This can be achieved in a variety of ways, including classical superres…
High-fidelity initialization of long-lived quantum dot hole spin qubits by reduced fine-structure splitting
Alistair J. Brash, Luis M. P. P. Martins, Feng Liu +4
We demonstrate an on-demand hole spin qubit initialization scheme meeting four key requirements of quantum information processing: fast initialization (1/e ~ 100 ps), high fidelity…
The role of entanglement in calibrating optical quantum gyroscopes
Pieter Kok, Jacob Dunningham, Jason F. Ralph
We consider the calibration of an optical quantum gyroscope by modeling two Sagnac interferometers, mounted approximately at right angles to each other. Reliable operation requires…