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All-optical formation of an atomic Bose-Einstein condensate.
TLDR
A Bose-Einstein condensate (BEC) of 87Rb atoms directly in an optical trap formed by two crossed CO2 laser beams is created using a quasielectrostatic dipole force trap.
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Optics and Interferometry with Atoms and Molecules
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Quantum telecommunication based on atomic cascade transitions.
TLDR
Together with the previous demonstration of photonic-to-atomic qubit conversion, both of the essential elements for the proposed telecommunications quantum repeater have now been realized.
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Spin-nematic squeezed vacuum in a quantum gas
Squeezed states—which permit precision beyond the scope of Heisenberg’s uncertainty relation—are well established for spin-1/2 particles. Now an elegant demonstration of squeezing in spin-1…
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Real-time detection of individual atoms falling through a high-finesse optical cavity.
TLDR
This work describes an experiment in which cavity quantum-electrodynamic effects are utilized for real-time detection of individual atoms falling through an optical cavity after being dropped from a magneto-optical trap.
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Cavity QED with optically transported atoms
Ultracold $^{87}\mathrm{Rb}\phantom{\rule{0.3em}{0ex}}\text{atoms}$ are delivered into a high-finesse optical microcavity using a translating optical lattice trap and detected via the cavity field.…
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Rotation Sensing with an Atom Interferometer
Since the pioneering demonstrations of interferometry with atom de Broglie waves using nanofabricated structures [1‐4] and resonant light as atomic beam splitters [5,6], a number of new applications…
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Coherent spinor dynamics in a spin-1 Bose condensate
Collisions in a thermal gas are perceived as random or incoherent as a consequence of the large numbers of initial and final quantum states accessible to the system. In a quantum gas, for example, a…
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Coherent spin mixing dynamics in a spin-1 atomic condensate (5 pages)
We study the coherent off-equilibrium spin mixing inside an atomic condensate. Using mean-field theory and adopting the single-spatial-mode approximation, the condensate spin dynamics is found to be…
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Real-time cavity QED with single atoms
We report the first measurement of the real-time evolution of the complex field amplitude brought on by single atom transits. We show the variation in time of both quadrature amplitudes…
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