Demonstration of integrated microscale optics in surface-electrode ion traps

Details Demonstration of integrated microscale optics in surface-electrode ion traps Demonstration of integrated microscale optics in surface-electrode ion traps

2011-05-24

arxiv.org/abs/1105.4905v2

2011 New J. Phys. 13 103005

Physics

Quantum Physics

15 pages, 8 figures

Scientific paper

10.1088/1367-2630/13/10/103005

In ion trap quantum information processing, efficient fluorescence collection is critical for fast, high-fidelity qubit detection and ion-photon entanglement. The expected size of future many-ion processors require scalable light collection systems. We report on the development and testing of a microfabricated surface-electrode ion trap with an integrated high numerical aperture (NA) micromirror for fluorescence collection. When coupled to a low NA lens, the optical system is inherently scalable to large arrays of mirrors in a single device. We demonstrate stable trapping and transport of 40Ca+ ions over a 0.63 NA micromirror and observe a factor of 1.9 enhancement in photon collection compared to the planar region of the trap.

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