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Atomic quantum memory: cavity vs single pass schemes
Aurelien Dantan, Alberto Bramati, Michel Pinard
This paper presents a quantum mechanical treatment for both atomic and field fluctuations of an atomic ensemble interacting with propagating fields, either in Electromagnetically I…
Teleportation of an atomic ensemble quantum state
Aurelien Dantan, Nicolas Treps, Alberto Bramati +1
We propose a protocol to achieve high fidelity quantum state teleportation of a macroscopic atomic ensemble using a pair of quantum-correlated atomic ensembles. We show how to prep…
Manipulation and storage of optical field and atomic ensemble quantum states
Aurelien Dantan, Alberto Bramati, Michel Pinard +1
We study how to efficiently manipulate and store quantum information between optical fields and atomic ensembles. We show how various non-dissipative transfer schemes can be used t…
Optical bistability in semiconductor microcavities in the nondegenerate parametric oscillation regime: analogy with the optical parametric oscillator
A. Baas, J. -Ph. Karr, M. Romanelli +2
We report the observation of optical bistability in a microcavity pumped at the "magic angle". Experimental evidence is given in the form of a hysteresis cycle of the nonlinear emi…
Far-field spectral characterization of conical emission and filamentation in Kerr media
Daniele Faccio, Paolo Di Trapani, Stefano Minardi +6
By use of an imaging spectrometer we map the far-field () spectra of 200 fs optical pulses that have undergone beam collapse and filamentation in a Kerr medium. By studying th…
Entanglement storage in atomic ensembles
Aurelien Dantan, Alberto Bramati, Michel Pinard
We propose to entangle macroscopic atomic ensembles in cavity using EPR-correlated beams. We show how the field entanglement can be almost perfectly mapped onto the long-lived atom…