  We demonstrate that a site-dependent driving of a periodic potential allows
for the controlled manipulation of a quantum particle on length scales of the
lattice spacing. Specifically we observe for distinct driving frequencies a
near depletion of certain sites which is explained by a resonant mixing of the
involved Floquet-Bloch modes occurring at these frequencies. Our results could
be exploited as a scheme for a site-selective loading of e.g. ultracold atoms
into an optical lattices.
