Original Research Accepted on 03 Jan 2025 Optimal control of a Bose-Einstein Condensate in an optical lattice: The non-linear and the two-dimensional cases Etienne DionisBruno PeaudecerfStéphane GuérinDavid Guéry-OdelinDominique Sugny Frontiers in Quantum Science and Technology doi 10.3389/frqst.2025.1540695