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Bulletin of the American Physical Society

Dynamics of matter waves in tailored optical and atomic lattices

Jeremy B. Reeves, Bryce Gadway, Ludwig Krinner, Daniel Pertot, Matthias Vogt, Dominik Schneble

Published Jun 7, 2012• 0 citations
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We present experimental techniques that employ an optical accordion lattice with dynamically tunable spacing to create and study bright matter-wave solitons in optical lattices. The system allows precise control of lattice parameters over a wide range of lattice spacings and depths. We detail calibration methods for the lattice parameters which are adjusted to the varying lattice spacing, and we demonstrate site-resolved atom number preparation via microwave addressing. Lattice solitons are generated through rapid quenches of the atomic interaction strength and the external trapping potential. We systematically optimize the quench parameters, such as duration and final scattering length, to maximize soliton stability. Our results provide insight into nonlinear matter-wave dynamics in discretized systems and establish a versatile platform for the controlled study of lattice solitons.