2010/04/21 by Y. O. Dudin, R. Zhao, T. A. B. Kennedy +1
Physics and Astronomy · #quant-ph
paper · pdf · doi:10.1103/physreva.81.041805
Physical Review A, in press.
arxiv created 2010/04/21 · arxiv updated 2015/05/18
Differential Stark shift compensation for ground state 87Rb atoms trapped in an elliptically polarized optical lattice and "magic" magnetic field, was recently proposed and demonstrated experimentally by N. Lundblad \it et al., arXiv:0912.1528 and analyzed theoretically by A. Derevianko, arXiv:0912.3233. Here we demonstrate for the first time enhanced hyperfine coherence times using the magic field technique. We observe coherent light storage with a 0.32 s lifetime in an atomic Rb gas confined in a one dimensional optical lattice and magnetic field.