Signal and Charge Transfer Efficiency of Few Electrons Clocked on Microscopic Superfluid Helium Channels

Details Signal and Charge Transfer Efficiency of Few Electrons Clocked on Microscopic Superfluid Helium Channels Signal and Charge Transfer Efficiency of Few Electrons Clocked on Microscopic Superfluid Helium Channels

2007-10-15

arxiv.org/abs/0710.2909v1

Physics

Condensed Matter

Other Condensed Matter

13 pages including 3 figures

Scientific paper

10.1063/1.2884693

Electrons floating on the surface of liquid helium are possible spin-qubits for quantum information processing. Varying electric potentials are not expected to modify spin states, which allows their transport on helium using a charge-coupled device (CCD)-like array of underlying gates. This approach depends upon efficient inter-gate transfer of individual electrons. Measurements are presented here of the charge transfer efficiency (CTE) of few electrons clocked back and forth above a short microscopic CCD-like structure. A charge transfer efficiency of 0.99999992 is obtained for a clocking frequency of 800 kHz.

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