773 citations · 4.9k across the 56 of their papers we have counts for
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Quantum computation speedup limits from quantum metrological precision bounds
Rafal Demkowicz-Dobrzanski, Marcin Markiewicz
We propose a scheme for translating metrological precision bounds into lower bounds on query complexity of quantum search algorithms. Within the scheme the link between quadratic p…
True precision limits in quantum metrology
Marcin Jarzyna, Rafal Demkowicz-Dobrzanski
We show that quantification of the performance of quantum-enhanced measurement schemes based on the concept of quantum Fisher information yields asymptotically equivalent results a…
Using entanglement against noise in quantum metrology
Rafal Demkowicz-Dobrzanski, Lorenzo Maccone
We analyze the role of entanglement among probes and with external ancillas in quantum metrology. In the absence of noise, it is known that unentangled sequential strategies can ac…
Quantum limits in optical interferometry
R. Demkowicz-Dobrzanski, M. Jarzyna, J. Kolodynski
Non-classical states of light find applications in enhancing the performance of optical interferometric experiments, with notable example of gravitational wave-detectors. Still, th…
Usefulness of an enhanced Kitaev phase-estimation algorithm in quantum metrology and computation
Tomasz Kaftal, Rafal Demkowicz-Dobrzanski
We analyze the performance of a generalized Kitaev's phase estimation algorithm where N phase gates, acting on qubits prepared in a product state, may be distributed in an arbi…