856 citations · 2k across the 26 of their papers we have counts for
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Fibre-optics implementation of asymmetric phase-covariant quantum cloner
Lucie Bartuskova, Miloslav Dusek, Antonin Cernoch +2
We present the experimental realization of optimal symmetric and asymmetric phase-covariant 1->2 cloning of qubit states using fiber optics. State of each qubit is encoded into a s…
Optimal multicopy asymmetric Gaussian cloning of coherent states
Jaromir Fiurasek, Nicolas J. Cerf
We investigate the asymmetric Gaussian cloning of coherent states which produces M copies from N input replicas, such that the fidelity of all copies may be different. We show that…
Experimental phase-covariant cloning of polarization states of single photons
A. Cernoch, L. Bartuskova, J. Soubusta +3
The experimental realization of optimal symmetric phase-covariant 1->2 cloning of qubit states is presented. The qubits are represented by polarization states of photons generated…
Optimal probabilistic estimation of quantum states
Jaromir Fiurasek
We extend the concept of probabilistic unambiguous discrimination of quantum states to quantum state estimation. We consider a scenario where the measurement device can output eith…
Optimal partial estimation of quantum states from several copies
Ladislav Mista, Jaromir Fiurasek
We derive analytical formula for the optimal trade-off between the mean estimation fidelity and the mean fidelity of the qubit state after a partial measurement on N identically pr…
Optical implementation of the encoding of two qubits to a single qutrit
Lucie Bartuskova, Antonin Cernoch, Radim Filip +3
We have devised an optical scheme for the recently proposed protocol for encoding two qubits into one qutrit. In this protocol, Alice encodes an arbitrary pure product state of two…