Physics – Atomic Physics
Scientific paper
2008-03-14
New J. Phys. 11 (2009) 023021
Physics
Atomic Physics
6 pages, 4 figures
Scientific paper
10.1088/1367-2630/11/2/023021
Arrays of trapped atoms are the ideal starting point for developing registers comprising large numbers of physical qubits for storing and processing quantum information. One very promising approach involves neutral atom traps produced on microfabricated devices known as atom chips, as almost arbitrary trap configurations can be realised in a robust and compact package. Until now, however, atom chip experiments have focused on small systems incorporating single or only a few individual traps. Here we report experiments on a two-dimensional array of trapped ultracold atom clouds prepared using a simple magnetic-film atom chip. We are able to load atoms into hundreds of tightly confining and optically resolved array sites. We then cool the individual atom clouds in parallel to the critical temperature required for quantum degeneracy. Atoms are shuttled across the chip surface utilising the atom chip as an atomic shift register and local manipulation of atoms is implemented using a focused laser to rapidly empty individual traps.
Fernholz Th.
Gerritsma R.
Spreeuw Robert J. C.
Whitlock Shannon
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