We report on two optical clocks: one uses freely expanding calcium atoms, while the other is based on lattice-confined ytterbium. We measure a fractional instability between the clocks of 4 x 10-16@ 100 s.
© 2007 APS DLS
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3320) Lasers and laser optics : Laser cooling
(300.0300) Spectroscopy : Spectroscopy
(300.6320) Spectroscopy : Spectroscopy, high-resolution
C. W. Oates, Z. Barber, J. Stalnaker, C. Hoyt, Y. LeCoq, and L. Hollberg, "Optical Atomic Clocks Based on Neutral Atoms," in Frontiers in Optics 2007/Laser Science XXIII/Organic Materials and Devices for Displays and Energy Conversion, OSA Technical Digest (CD) (Optical Society of America, 2007), paper LTuH3.
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