Progress toward an optical frequency standard based on a single Indium ion

Wang, Y. H.; Liu, T.; Stejskal, A.; Zhao, Y. N.; Zhang, J.; Lu, Z. H.; Dumke, R.; Wang, L. J.; Becker, Th.; Walther, H.

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Progress toward an optical frequency standard based on a single Indium ion

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Zhao, Y. N.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;

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Lu, Z. H.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Wang, L. J.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Wang, Y. H., Liu, T., Stejskal, A., Zhao, Y. N., Zhang, J., Lu, Z. H., et al. (2006). Progress toward an optical frequency standard based on a single Indium ion. In Proceedings of the 2006 IEEE International Frequency Control Symposium and Exposition, Vols 1 and 2 (pp. 415-419). 345 E 47TH ST, NEW YORK, NY 10017 USA: IEEE.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6DC0-D

Abstract

We report on the current status of the optical frequency standard based on a single In-115(+) ion. A single Indium ion is being trapped in a Paul-Strauble type trap and cooled in combination of Doppler cooling and sideband cooling to its lowest vibrational states. To interrogate the S-1(0)-(3)p(0) clock transition with high accuracy we demonstrate a Hz-level laser system resonant to this transition. With the current setup we are able to achieve a measured linewidth of the clock transition of 260 Hz. The statistical uncertainty of the absolute frequency measurement is 3 x 10(-13), limited mainly by our reference frequency standard.