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Deterministic production of free-propagating Fock states of programmable photon number from a single atom-cavity system
Deterministic production free-propagating Fock states programmable photon number single atom-cavity system
2012/2/28
We propose a mechanism for producing Fock states on demand leaking from a single mode optical cavity interacting with a single atom and a laser pulse. The number of photons can be chosen, as it is det...
Exploring Interatomic Coulombic Decay by Free Electron Lasers
Free Electron Lasers Interatomic Coulombic
2011/8/29
To exploit the high intensity of laser radiation, we propose to select frequencies at which singlephoton absorption is of too low energy and two or more photons are needed to produce states of an atom...
Observation of (N2)2 dimers in free nitrogen and argon-nitrogen clusters
(N2)2 dimers free nitrogen argon-nitrogen clusters
2011/8/4
Abstract: Supersonic-jet luminescence spectroscopy was applied to study vibronic transitions in icosahedral N2 and Ar-N2 clusters having from 100 to 400 particles per cluster. In the case of mixed Ar-...
Doppler-free two-photon resonances for atom detection and sum frequency stabilization
Doppler-free two-photon atom
2011/8/29
We investigate the excitation of the 5D5/2 level in Rb atoms using counterpropagating laser beams, which are nearly resonant to the one-photon 5S1/2 !5P3/2 and 5P3/2 ! 5D5/2 transitions, ensuring that...
Group-III assisted catalyst-free growth of InGaAs nanowires and the formation of quantum dots
Group-III assisted catalyst-free growth InGaAs nanowires quantum dots
2010/11/25
Growth of GaAs and InxGa1xAs nanowires by the group-III assisted Molecular Beam Epitaxy growth method is studied in dependence of growth temperature, with the objective of maximizing the ind...
Ultra-bright biphoton emission from an atomic vapor based on Doppler-free four-wave-mixing and collective emission
atomic vapor Doppler-free four-wave-mixing biphoton emission
2010/4/12
We propose a novel `butterfly' level scheme to generate highly correlated photon pairs from atomic vapors. With multi-photon Doppler-free pumping, background Rayleigh scattering is dipole-forbidden an...
Researchers Observe Superradiance in a Free Electron Laser
Superradiance Free Electron molecules atoms
2007/1/30
January 19, 2007，UPTON, NY - At the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory, a team of researchers has generated extremely short light pulses using a new technique that could ...