Progress toward a single ytterbium ion optical clock

Paul Taylor; Stephen A. Webster; Matthew Roberts; W. R.C. Rowley; Geoffrey P. Barwood; Patrick Gill

doi:10.1117/12.424465

3 May 2001 Progress toward a single ytterbium ion optical clock

Paul Taylor, Stephen A. Webster, Matthew Roberts, W. R.C. Rowley, Geoffrey P. Barwood, Patrick Gill

Proceedings Volume 4269, Laser Frequency Stabilization, Standards, Measurement, and Applications; (2001) https://doi.org/10.1117/12.424465
Event: Photonics West 2001 - LASE, 2001, San Jose, CA, United States

Abstract

Forbidden transitions in single trapped ion systems are being considered as references for future optical frequency standards. These standards are expected to have application as highly stable and reproducible optical clocks, realizations of the metre and as optical frequency standards in their own right. This paper prescribes the work carried out at the National Physical Laboratory over recent years to use a highly forbidden ²S_1/2 - ²F_7/2 467 nm electric octupole transition in a single ion of ¹⁷¹Yb⁺ as a frequency reference. A review of the previous measurements needed to the locate octupole transition in this 171-isotope is given and a more detailed discussion of recent work is presented. This includes spectroscopy of the octupole transition with kilohertz resolution and a direct measurement of its optical frequency. Measurements of the dynamic Stark and the quadratic Zeeman shifts on the octupole frequency are also discussed.

Citation Download Citation

Paul Taylor, Stephen A. Webster, Matthew Roberts, W. R.C. Rowley, Geoffrey P. Barwood, and Patrick Gill "Progress toward a single ytterbium ion optical clock", Proc. SPIE 4269, Laser Frequency Stabilization, Standards, Measurement, and Applications, (3 May 2001); https://doi.org/10.1117/12.424465

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