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- Centre National de la Recherche ScientifiqueFR339 papers
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19 papers · 2 filters
Generating "squeezed" superpositions of coherent states using photon addition and subtraction
P. Marek, H. Jeong, M. S. Kim
We study how photon addition and subtraction can be used to generate squeezed superpositions of coherent states in free-traveling fields (SSCSs) with high fidelities and large ampl…
Qubit residence time measurements with a Bose-Einstein condensate
D. Sokolovski
We show that an electrostatic qubit located near a Bose-Einstein condensate trapped in a symmetric double-well potential can be used to measure the duration the qubit has spent in…
A dissipative scheme to approach the boundary of two-qubit entangled mixed states
S. Campbell, M. Paternostro
We discuss the generation of states close to the boundary-family of maximally entangled mixed states as defined by the use of concurrence and linear entropy. The coupling of two qu…
Hamiltonian tomography in an access-limited setting without state initialization
C. Di Franco, M. Paternostro, M. S. Kim
We propose a scheme for the determination of the coupling parameters in a chain of interacting spins. This requires only time-resolved measurements over a single particle, simple d…
Rising time of entanglement between scattering spins
F. Ciccarello, M. Paternostro, G. M. Palma +1
We investigate the time evolution of entanglement in a process where a mobile particle is scattered by static spins. We show that entanglement increases monotonically during a tran…
Single-photon excitation of surface plasmon polaritons
M. S. Tame, C. Lee, J. Lee +4
We provide the quantum mechanical description of the excitation of surface plasmon polaritons on metal surfaces by single-photons. An attenuated-reflection setup is described for t…