Coherent Optical Clock Down-Conversion Realizing Microwaves With 10-18 Absolute Stability

Takuma Nakamura; Josue Davila-Rodriguez; Holly Leopardi; Holly Leopardi; Jeff A. Sherman; Tara M. Fortier; Tara M. Fortier; Xiaojun Xie; Joe C. Campbell; Scott A. Diddams; Scott A. Diddams; Will McGrew; Will McGrew; Xiaogang Zhang; Youssef Hassan; Youssef Hassan; Daniele Nicolodi; Daniele Nicolodi; Andrew Ludlow; Andrew Ludlow; Franklyn Quinlan; Franklyn Quinlan

doi:10.1364/CLEO_SI.2020.SM1N.2

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper SM1N.2
•https://doi.org/10.1364/CLEO_SI.2020.SM1N.2

Coherent Optical Clock Down-Conversion Realizing Microwaves With 10^-18 Absolute Stability

Takuma Nakamura, Josue Davila-Rodriguez, Holly Leopardi, Jeff A. Sherman, Tara M. Fortier, Xiaojun Xie, Joe C. Campbell, Scott A. Diddams, Will McGrew, Xiaogang Zhang, Youssef Hassan, Daniele Nicolodi, Andrew Ludlow, and Franklyn Quinlan

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Optical Metrology for New Physics Discoveries (SM1N)

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T. Nakamura, J. Davila-Rodriguez, H. Leopardi, J. A. Sherman, T. M. Fortier, X. Xie, J. C. Campbell, S. A. Diddams, W. McGrew, X. Zhang, Y. Hassan, D. Nicolodi, A. Ludlow, and F. Quinlan, "Coherent Optical Clock Down-Conversion Realizing Microwaves With 10-18 Absolute Stability," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper SM1N.2.

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Abstract

We generate 10-GHz microwaves, derived from independent Yb optical clocks, with 2.4*10^-18 absolute fractional frequency stability, no significant offset at the 10^-19 level, and femtosecond-precision transfer of the optical clock phase to the microwave domain.

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