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13 papers · 2 filters
Enhanced cooperativity for quantum-nondemolition-measurement--induced spin squeezing of atoms coupled to a nanophotonic waveguide
Xiaodong Qi, Yuan-Yu Jau, Ivan H. Deutsch
We study the enhancement of cooperativity in the atom-light interface near a nanophotonic waveguide for application to quantum nondemolition (QND) measurement of atomic spins. Here…
Entangling protocols due to non-Markovian dynamics
Nicolás Mirkin, Pablo Poggi, Diego Wisniacki
It is widely spread in the literature that non-Markovianity (NM) may be regarded as a resource in quantum mechanics. However, it is still unclear how and when this alleged resource…
Universal quantum computation with temporal-mode bilayer square lattices
Rafael N. Alexander, Shota Yokoyama, Akira Furusawa +1
We propose an experimental design for universal continuous-variable quantum computation that incorporates recent innovations in linear-optics-based continuous-variable cluster stat…
Quantum information in the Posner model of quantum cognition
Nicole Yunger Halpern, Elizabeth Crosson
Matthew Fisher recently postulated a mechanism by which quantum phenomena could influence cognition: Phosphorus nuclear spins may resist decoherence for long times, especially when…
Multi-state discrimination below the quantum noise limit at the single-photon level
A. R. Ferdinand, M. T. DiMario, F. E. Becerra
Measurements approaching the ultimate quantum limits of sensitivity are central in quantum information processing, quantum metrology, and communication. Quantum measurements to dis…
Qubit models of weak continuous measurements
Jonathan A. Gross, Carlton M. Caves, Gerard J. Milburn +1
In this paper we approach the theory of continuous measurements and the associated unconditional and conditional (stochastic) master equations from the perspective of quantum infor…