Journal
PHYSICAL REVIEW X
Volume 11, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevX.11.041033
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Funding
- Defense Advanced Research Projects Activity (DARPA)
- U.S. Department of Energy's National Nuclear Security Administration [DE-NA0003525]
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This study focuses on the characterization of heating rates and photoinduced electric charging on a microfabricated surface ion trap with integrated waveguides. The delivery of 435-nm light through waveguides and diffractive couplers to a single ytterbium ion in a compact trap was characterized. The findings show an axial heating rate of 0.78 ± 0.05 q/ms at room temperature, with no increase due to the presence of waveguides, and settling of the electric field due to charging of the exposed dielectric outcoupler under normal operation.
We report on the characterization of heating rates and photoinduced electric charging on a micro fabricated surface ion trap with integrated waveguides. Microfabricated surface ion traps have received considerable attention as a quantum information platform due to their scalability and manufacturability. Here, we characterize the delivery of 435-nm light through waveguides and diffractive couplers to a single ytterbium ion in a compact trap. We measure an axial heating rate at room temperature of 0.78 1 0.05 q/ms and see no increase due to the presence of the waveguide. Furthermore, the electric field due to charging of the exposed dielectric outcoupler settles under normal operation after an initial shift. The frequency instability after settling is measured to be 0.9 kHz.
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