| ATOMIC AND MOLECULAR PHYSICS |
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Measurement of Heating Rates in a Microscopic Surface-Electrode Ion Trap |
| Jiu-Zhou He1,2, Lei-Lei Yan1,2, Liang Chen1**, Ji Li1,2, Mang Feng1** |
1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071
2University of the Chinese Academy of Sciences, Beijing 100049
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| Cite this article: |
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Jiu-Zhou He, Lei-Lei Yan, Liang Chen et al 2017 Chin. Phys. Lett. 34 063701 |
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Abstract We report measurement of heating rates of $^{40}$Ca$^{+}$ ions confined in our home-made microscopic surface-electrode trap by a Doppler recooling method. The ions are trapped with approximately 800 μm above the surface, and are subjected to heating due to various noises in the trap. There are 3–5 ions involved to measure the heating rates precisely and efficiently. We show the heating rates in variance with the number and the position of the ions as well as the radio-frequency power, which are helpful for understanding the trap imperfection.
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Received: 19 January 2017
Published: 23 May 2017
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| PACS: |
37.10.Ty
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(Ion trapping)
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03.67.Lx
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(Quantum computation architectures and implementations)
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41.20.-q
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(Applied classical electromagnetism)
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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos Y5Z2111001, 91421111 and 11674360. |
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