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10 papers · 2 filters
Nonvolatile optical memory via recoil-induced resonance in a pure two-level system
A. J. F. de Almeida, M. -A. Maynard, C. Banerjee +3
We report on the storage of light via the phenomenon of recoil-induced resonance in a pure two- level system of cold cesium atoms. We use a strong coupling beam and a weak probe be…
Information processing using three-qubit and qubit-qutrit encodings of noncomposite quantum systems
A. A. Popov, E. O. Kiktenko, A. K. Fedorov +1
We study quantum information properties of a seven-level system realized by a particle in an one-dimensional square-well trap. Features of encodings of seven-level systems in a for…
Absolutely classical spin states
F. Bohnet-Waldraff, O. Giraud, D. Braun
We introduce the concept of "absolutely classical" spin states, in analogy to absolutely separable states of bi-partite quantum systems. Absolutely classical states are states that…
Coherent Population Oscillation-Based Light Storage
P. Neveu, M. -A. Maynard, R. Bouchez +5
We theoretically study the propagation and storage of a classical field in a -type atomic medium using coherent population oscillations (CPOs). We show that the propagation eige…
Tensor eigenvalues and entanglement of symmetric states
Fabian Bohnet-Waldraff, Daniel Braun, Olivier Giraud
Tensor eigenvalues and eigenvectors have been introduced in the recent mathematical literature as a generalization of the usual matrix eigenvalues and eigenvectors. We apply this f…
Phase-sensitive amplification via coherent population oscillations in metastable helium at room temperature
J. Lugani, C. Banerjee, M-A. Maynard +5
We report our experimental results on phase-sensitive amplification (PSA) in non-degenerate signal-idler configuration using ultra-narrow coherent population oscillations in metast…