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Microscopic atom optics: from wires to an atom chip
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Matter-wave interferometry in a double well on an atom chip
Matter-wave interference experiments enable us to study matter at its most basic, quantum level and form the basis of high-precision sensors for applications such as inertial and gravitational field…
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Relaxation and Prethermalization in an Isolated Quantum System
TLDR
Measurements of full quantum mechanical probability distributions of matter-wave interference are used to study the relaxation dynamics of a coherently split one-dimensional Bose gas and obtained comprehensive information about the dynamical states of the system.
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Optics and Interferometry with Atoms and Molecules
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Experimental observation of a generalized Gibbs ensemble
TLDR
It is shown experimentally that a degenerate one-dimensional Bose gas relaxes to a state that can be described by such a generalized ensemble, and this is verified through a detailed study of correlation functions up to 10th order.
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Protecting a spin ensemble against decoherence in the strong-coupling regime of cavity QED
Hybridized systems offer a promising route for developing quantum devices, but inhomogeneous broadening limits the practical use of large spin ensembles. Suppression of the decoherence induced by…
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Quantum technologies with hybrid systems
TLDR
Some of the driving theoretical ideas and first experimental realizations of hybrid quantum systems and the opportunities and challenges they present are reviewed and offers a glance at the near- and long-term perspectives of this fascinating and rapidly expanding field.
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Non-equilibrium coherence dynamics in one-dimensional Bose gases.
TLDR
The experiments studying coherence dynamics show that 1D Bose gases are ideally suited for investigating one-dimensional systems, such as superconductors, quantum Hall systems, superfluid helium and spin systems.
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A millisecond quantum memory for scalable quantum networks
calculation shows that the expected lifetime is of the order of seconds in this case. Here we report on our investigation of prolonging the storage time of the quantum memory for single excitations.…
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Atom chips: Fabrication and thermal properties
Neutral atoms can be trapped and manipulated with surface mounted microscopic current carrying and charged structures. We present a lithographic fabrication process for such atom chips based on…
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