Single Ca+ Ion Trapping Toward Precise Frequency Measurement of the 4 2S1/2 - 3 2D5/2 Transition

K. Matsubara, Y. Li, M. Kajita, K. Hayasaka, M. Hosokawa, S. Urabe

Abstract:	We are proceeding with a development of an optical frequency standard using a 2S1/2 – 2D5/2 electric quadrupole transition of Ca+ ions in a small radio-frequency trap. We have theoretically confirmed that an uncertainty of <1 x 10-15 is attainable in measurement of the 2S1/2 – 2 D5/2 transition frequency. Experimentally, we have developed stable laser-diode systems and observed the quantum jump of single 40Ca+ ions to the 2 D5/2 state.
Published in:	Proceedings of the 37th Annual Precise Time and Time Interval Systems and Applications Meeting August 29 - 31, 2005 Vancouver, Canada
Pages:	616 - 622
Cite this article:	Matsubara, K., Li, Y., Kajita, M., Hayasaka, K., Hosokawa, M., Urabe, S., "Single Ca+ Ion Trapping Toward Precise Frequency Measurement of the 4 2S1/2 - 3 2D5/2 Transition," Proceedings of the 37th Annual Precise Time and Time Interval Systems and Applications Meeting, Vancouver, Canada, August 2005, pp. 616-622.
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