2008/03/18 by T. C. Li, H. Kelkar, D. Medellin +1 · 1 citation
Physics and Astronomy · #quant-ph
paper · pdf · doi:10.1364/oe.16.005465
published as Opt. Express 16, 5465-5470 (2008) · 6 pages, 6 figures
arxiv created 2008/03/18 · arxiv updated 2009/12/01
We report an experimental method to create optical lattices with real-time control of their periodicity. We demonstrate a continuous change of the lattice periodicity from 0.96 μm to 11.2 μm in one second, while the center fringe only moves less than 2.7 μm during the whole process. This provides a powerful tool for controlling ultracold atoms in optical lattices, where small spacing is essential for quantum tunneling, and large spacing enables single-site manipulation and spatially resolved detection.