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19 papers · 2 filters
Superabsorption in an organic microcavity: towards a quantum battery
J. Q. Quach, K. E. McGhee, L. Ganzer +7
The rate at which matter emits or absorbs light can be modified by its environment, as dramatically exemplified by the widely-studied phenomenon of superradiance. The reverse proce…
Constructing quantum codes from any classical code and their embedding in ground space of local Hamiltonians
Ramis Movassagh, Yingkai Ouyang
Implementing robust quantum error correction (QEC) is imperative for harnessing the promise of quantum technologies. We introduce a framework that takes {\it any} classical code an…
Quantum-limited estimation of range and velocity
Zixin Huang, Cosmo Lupo, Pieter Kok
The energy-time uncertainty relation puts a fundamental limit on the precision of radars and lidars for the estimation of range and velocity. The precision in the estimation of the…
Avoiding coherent errors with rotated concatenated stabilizer codes
Yingkai Ouyang
Coherent errors, which arise from collective couplings, are a dominant form of noise in many realistic quantum systems, and are more damaging than oft considered stochastic errors.…
Single-shot error correction of three-dimensional homological product codes
Armanda O. Quintavalle, Michael Vasmer, Joschka Roffe +1
Single-shot error correction corrects data noise using only a single round of noisy measurements on the data qubits, removing the need for intensive measurement repetition. We intr…
Quantum receiver for phase-shift keying at the single photon level
Jasminder S. Sidhu, Shuro Izumi, Jonas S. Neergaard-Nielsen +2
Quantum enhanced receivers are endowed with resources to achieve higher sensitivities than conventional technologies. For application in optical communications, they provide improv…