492 citations
- Centre National de la Recherche ScientifiqueFR15 papers
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18 papers · 1 filter
Isospectral oscillators as a resource for quantum information processing
Abdelatif Chabane, Sidali Mohammdi, Abdelhakim Gharbi +1
We address quantum systems isospectral to the harmonic oscillator, as those found within the framework of supersymmetric quantum mechanics, as potential resources for continuous va…
Metrology of weak quantum perturbations
Sidali Mohammdi, Matteo Bina, Abdelhakim Gharbi +1
We consider quantum systems with a Hamiltonian containing a weak perturbation i.e. , $\boldsymbolλ= \{λ_1, λ_2,...\}…
Quantum Non-Gaussianity From An Indefinite Causal Order of Gaussian Operations
Seid Koudia, Abdelhakim Gharbi
Quantum Non-Gaussian states are considered as a useful resource for many tasks in quantum information processing, from quantum metrology and quantum sensing to quantum communicatio…
Hartmann potential with a minimal length and generalized recurrence relations for matrix elements
Lamine Khodja, Mohamed Achour, Slimane Zaim
In this work we study the Schrödinger equation in the presence of the Hartmann potential with a generalized uncertainty principle. We pertubatively obtain the matrix elements of th…
Quantum phase communication channels assisted by non-deterministic noiseless amplifiers
Hamza Adnane, Berihu Teklu, Matteo G. A. Paris
We address quantum -ary phase-shift keyed (PSK) communication channels in the presence of phase diffusion, and analyze the use of probabilistic noiseless linear amplifiers (NLA)…
Process estimation in qubit systems: a quantum decision theory approach
Ivan Maffeis, Seid Koudia, Abdelhakim Gharbi +1
We address quantum decision theory as a convenient framework to analyze process discrimination and estimation in qubit systems. In particular we discuss the following problems: i)…