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- Centre National de la Recherche ScientifiqueFR489 papers
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16 papers · 2 filters
A tunable, nonlinear Hong-Ou-Mandel interferometer
David Oehri, Mikhail Pletyukhov, Vladimir Gritsev +2
We investigate the two-photon scattering properties of a Jaynes-Cummings (JC) nonlinearity consisting of a two-level system (qubit) interacting with a single mode cavity, which is…
Fault-Tolerant Quantum Computation for Singlet-Triplet Qubits with Leakage Errors
Sebastian Mehl, Hendrik Bluhm, David P. DiVincenzo
We describe and analyze leakage errors of singlet-triplet qubits. Even though leakage errors are a natural problem for spin qubits encoded using quantum dot arrays, they have obtai…
Quantum Illumination at the Microwave Wavelengths
Shabir Barzanjeh, Saikat Guha, Christian Weedbrook +3
Quantum illumination is a quantum-optical sensing technique in which an entangled source is exploited to improve the detection of a low-reflectivity object that is immersed in a br…
Universal adiabatic quantum computation via the space-time circuit-to-Hamiltonian construction
David Gosset, Barbara M. Terhal, Anna Vershynina
We show how to perform universal adiabatic quantum computation using a Hamiltonian which describes a set of particles with local interactions on a two-dimensional grid. A single pa…
Complete criterion for convex-Gaussian state detection
Anna Vershynina
We present a new criterion that determines whether a fermionic state is a convex combination of pure Gaussian states. This criterion is complete and characterizes the set of convex…
Transfer Matrices and Excitations with Matrix Product States
V. Zauner, D. Draxler, L. Vanderstraeten +6
We investigate the relation between static correlation functions in the ground state of local quantum many-body Hamiltonians and the dispersion relations of the corresponding low e…