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An ion trap built with photonic crystal fibre technology
2015, Lindenfelser, F., Keitch, B., Kienzler, D., Bykov, D., Uebel, P., Schmidt, M.A., Russell, P.St.J., Home, J.P.
We demonstrate a surface-electrode ion trap fabricated using techniques transferred from the manufacture of photonic-crystal fibres. This provides a relatively straightforward route for realizing traps with an electrode structure on the 100 micron scale with high optical access. We demonstrate the basic functionality of the trap by cooling a single ion to the quantum ground state, allowing us to measure a heating rate from the ground state of 787 ± 24 quanta/s. Variation of the fabrication procedure used here may provide access to traps in this geometry with trap scales between 100 μm and 10 μm