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Time-resolved homodyne characterization of individual quadrature-entangled pulses
Jerome Wenger, Alexei Ourjoumtsev, Rosa Tualle-Brouri +1
We describe a simple and efficient setup to generate and characterize femtosecond quadrature-entangled pulses. Quantum correlations equivalent to about 2.5 dB squeezing are efficie…
Contextual objectivity and the quantum formalism
Philippe Grangier
The new orthodoxy of quantum mechanics (QM) based on the decoherence approach requires many-worlds as an essential ingredient for logical consistency, and one may wonder what statu…
Pulsed squeezed vacuum characterization without homodyning
J. Wenger, J. Fiurasek, R. Tualle-Brouri +2
Direct photon detection is experimentally implemented to measure the squeezing and purity of a single-mode squeezed vacuum state without an interferometric homodyne detection. Foll…
Pulsed homodyne measurements of femtosecond squeezed pulses generated by single-pass parametric deamplification
J. Wenger, R. Tualle-Brouri, P. Grangier
A new scheme is described for pulsed squeezed light generation using femtosecond pulses parametrically deamplified through a single pass in a thin (0.1mm) potassium niobate KNbO3 c…
Non-gaussian statistics from individual pulses of squeezed light
J. Wenger, R. Tualle-Brouri, P. Grangier
We describe the observation of a degaussification protocol that maps individual pulses of squeezed light onto non-Gaussian states. This effect is obtained by sending a small fracti…
Holographic generation of micro-trap arrays for single atoms
Silvia Bergamini, Benoit Darquie, Matt Jones +3
We have generated multiple micron-sized optical dipole traps for neutral atoms using holographic techniques with a programmable liquid crystal spatial light modulator. The setup al…