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11 papers · 2 filters
Atomic four-wave mixing via condensate collisions
Aurélien Perrin, Craig M. Savage, D. Boiron +3
We perform a theoretical analysis of atomic four-wave mixing via a collision of two Bose-Einstein condensates of metastable helium atoms, and compare the results to a recent experi…
Multidimensional reconciliation for continuous-variable quantum key distribution
Anthony Leverrier, Romain Alléaume, Joseph Boutros +2
We propose a method for extracting an errorless secret key in a continuous-variable quantum key distribution protocol, which is based on Gaussian modulation of coherent states and…
Entanglement, Non-linear Dynamics, and the Heisenberg Limit
L. Pezze', A. Smerzi
We show that the quantum Fisher information provides a sufficient condition to recognize multi-particle entanglement in a qubit state. The same criterion gives a necessary and…
Recent progress on the manipulation of single atoms in optical tweezers for quantum computing
A. Browaeys, J. Beugnon, C. Tuchendler +10
This paper summarizes our recent progress towards using single rubidium atoms trapped in an optical tweezer to encode quantum information. We demonstrate single qubit rotations on…
"Disproof of Bell's Theorem" : more critics
Philippe Grangier
In a series of recent papers (quant-ph/0703179, quant-ph/0703244, arXiv:0707.1333) Joy Christian claims to have "disproved Bell's theorem". Though his work is certainly intellectua…
Room temperature triggered single-photon source in the near infrared
E. Wu, James Rabeau, Gérard Roger +5
We report the realization of a solid-state triggered single-photon source with narrow emission in the near infrared at room temperature. It is based on the photoluminescence of a s…