K. Kim

Single-atom optical clock with high accuracy.

F Levi, L. Hollberg, W. Itano, 2006, Physical review letters.

Improved stabilization of a 1.3 microm femtosecond optical frequency comb by use of a spectrally tailored continuum from a nonlinear fiber grating.

P. Westbrook, K. Feder, S. Diddams, 2006, Optics letters.

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

L. Hollberg, W. Itano, S. Diddams, 2006, 2006 IEEE International Frequency Control Symposium and Exposition.

Observation of the 1S0-->3P0 clock transition in 27Al+.

D. Wineland, P. Schmidt, D. Hume, 2007, Physical review letters.

Optical-to-microwave frequency comparison with fractional uncertainty of 10-15

Kyoungsik Kim, L. Hollberg, W. Itano, 2007 .

Improved Limits on Variation of the Fine Structure Constant and Violation of Local Position Invariance

N. Ashby, L. Hollberg, W. Itano, 2007, 2007 IEEE International Frequency Control Symposium Joint with the 21st European Frequency and Time Forum.

Precision atomic spectroscopy for improved limits on variation of the fine structure constant and local position invariance.

N Ashby, F Levi, N. Ashby, 2007, Physical review letters.

The measurement of optical frequencies

Leo W. Hollberg, Scott A. Diddams, Tara M. Fortier, 2005 .

Stabilized frequency comb with a self-referenced femtosecond Cr:forsterite laser

J.W. Nicholson, L. Hollberg, M. Yan, 2005, (CLEO). Conference on Lasers and Electro-Optics, 2005..