Coherent manipulation of atomic qubits in optical micropotentials

Details Coherent manipulation of atomic qubits in optical micropotentials Coherent manipulation of atomic qubits in optical micropotentials

2007-02-09

arxiv.org/abs/quant-ph/0702085v1

Appl. Phys. B 86, 377-383 (2007)

Physics

Quantum Physics

to be published in Appl. Phys. B

Scientific paper

10.1007/s00340-006-2539-9

We experimentally demonstrate the coherent manipulation of atomic states in far-detuned dipole traps and registers of dipole traps based on two-dimensional arrays of microlenses. By applying Rabi, Ramsey, and spin-echo techniques, we systematically investigate the dephasing mechanisms and determine the coherence time. Simultaneous Ramsey measurements in up to 16 dipole traps are performed and proves the scalability of our approach. This represents an important step in the application of scalable registers of atomic qubits for quantum information processing. In addition, this system can serve as the basis for novel atomic clocks making use of the parallel operation of a large number of individual clocks each remaining separately addressable.

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