Long Distance Transport of Ultracold Atoms using a 1D optical lattice

Abstract

We study the horizontal transport of ultracold atoms over macroscopic distances of up to 20 cm with a moving 1D optical lattice. By using an optical Bessel beam to form the optical lattice, we can achieve nearly homogeneous trapping conditions over the full transport length, which is crucial in order to hold the atoms against gravity for such a wide range. Fast transport velocities of up to 6 m/s (corresponding to about 1100 photon recoils) and accelerations of up to 2600 m/s2 are reached. Even at high velocities the momentum of the atoms is precisely defined with an uncertainty of less than one photon recoil. This allows for construction of an atom catapult with high kinetic energy resolution, which might have applications in novel collision experiments.

15 pages, 8 figures

References in corpus (13)

• Bloch oscillations and mean-field effects of Bose-Einstein condensates in 1-D optical lattices
• Coherent transport of neutral atoms in spin-dependent optical lattice potentials
• A Bose-Einstein condensate in an optical lattice
• Observation of dynamical instability for a Bose-Einstein condensate in a moving 1D optical lattice
• Transport of Bose-Einstein Condensates with Optical Tweezers
• Three-body decay of a rubidium Bose-Einstein condensate
• Long-lived Feshbach molecules in a 3D optical lattice
• Observation of anomalous spin-state segregation in a trapped ultra-cold vapor
• Inducing an optical Feshbach resonance via stimulated Raman coupling
• Interferometric determination of the s- and d-wave scattering amplitudes in ${}^{87}$Rb
• Imaging of s and d partial-wave interference in quantum scattering of identical bosonic atoms
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• Coherent acceleration of Bose-Einstein condensates

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• Smooth bang-bang shortcuts to adiabaticity for atomic transport in a moving harmonic trap
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• Quantum Simulation of 2D Quantum Chemistry in Optical Lattices
• Noise Sensitivities for an Atom Shuttled by a Moving Optical Lattice via Shortcuts to Adiabaticity
• Fast optical transport of ultracold molecules over long distances
• Design and construction of a quantum matter synthesizer
• High-energy-resolution measurement of ultracold atom-ion collisional cross section
• Controlled transport of matter waves in two-dimensional optical lattices
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• Long distance optical transport of ultracold atoms: A compact setup using a Moiré lens
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• Tunneling and Revival of Anderson Localization in Bose-Einstein Condensate
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• Cooling ultracold bosons in optical lattices by spectral transform
• Creation of a degenerate Bose-Bose mixture of erbium and lithium atoms
• Comparison of time profiles for the magnetic transport of cold atoms
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• Transport of magnetically sensitive atoms in a magnetic environment
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