Absolute Optical Frequency Measurements with a Fractional Uncertainty at 1 x 10-15

Published

June 5, 2006

Author(s)

Jason Stalnaker, Scott A. Diddams, Leo W. Hollberg, Kyoungsik Kim, Elizabeth A. Donley, Thomas P. Heavner, Steven R. Jefferts, Filippo Levi, Thomas E. Parker, James C. Bergquist, Wayne M. Itano, Marie J. Jensen, Luca Lorini, Windell Oskay, Tara M. Fortier, J Torgerson

Abstract

We report the technical details specific to our recent measurements of the optical frequency of the mercury single-ion clock in terms of the SI second as realized by the NIST-F1 cesium fountain clock. In these measurements the total fractional uncertainty is ~ 1 x 10^-15, limited by the statistical measurement uncertainty. In this paper, we will address the techniques employed for the optical-to-microwave comparison itself, which had an estimated fractional uncertainty of ~3 x 10^-16.

Proceedings Title

Proc. 2006 Freq. Cont. Symp.

Pub Type

Conferences

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Keywords

frequency comb, laser stabilization, optical clocks, optical frequency measurement, optical frequency synthesis

Citation

Stalnaker, J. , Diddams, S. , Hollberg, L. , Kim, K. , Donley, E. , Heavner, T. , Jefferts, S. , Levi, F. , Parker, T. , Bergquist, J. , Itano, W. , Jensen, M. , Lorini, L. , Oskay, W. , Fortier, T. and Torgerson, J. (2006), Absolute Optical Frequency Measurements with a Fractional Uncertainty at 1 x 10^-15, Proc. 2006 Freq. Cont. Symp., [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50392 (Accessed January 14, 2025)