358 citations · 3.8k across the 54 of their papers we have counts for
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Flexible resources for quantum metrology
Nicolai Friis, Davide Orsucci, Michalis Skotiniotis +4
Quantum metrology offers a quadratic advantage over classical approaches to parameter estimation problems by utilizing entanglement and nonclassicality. However, the hurdle of actu…
Fault-tolerant interface between quantum memories and quantum processors
Hendrik Poulsen Nautrup, Nicolai Friis, Hans J. Briegel
Topological error correction codes are promising candidates to protect quantum computations from the deteriorating effects of noise. While some codes provide high noise thresholds…
Geometry of two-qubit states with negative conditional entropy
Nicolai Friis, Sridhar Bulusu, Reinhold A. Bertlmann
We review the geometric features of negative conditional entropy and the properties of the conditional amplitude operator proposed by Cerf and Adami for two qubit states in compari…
Passivity and practical work extraction using Gaussian operations
Eric G. Brown, Nicolai Friis, Marcus Huber
Quantum states that can yield work in a cyclical Hamiltonian process form one of the primary resources in the context of quantum thermodynamics. Conversely, states whose average en…