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Optical Atomic Clock Comparison through Turbulent Air
Martha I. Bodine, Jean-Daniel Deschênes, Isaac H. Khader +32
We use frequency comb-based optical two-way time-frequency transfer (O-TWTFT) to measure the optical frequency ratio of state-of-the-art ytterbium and strontium optical atomic cloc…
Coherent Optical Clock Down-Conversion for Microwave Frequencies with 10-18 Instability
Takuma Nakamura, Josue Davila-Rodriguez, Holly Leopardi +12
Optical atomic clocks are poised to redefine the SI second, thanks to stability and accuracy more than one hundred times better than the current microwave atomic clock standard. Ho…
Single-branch Er:fiber frequency comb for optical synthesis at the level
Holly Leopardi, Josue Davila-Rodriguez, Franklyn Quinlan +3
Laser frequency combs based on erbium-doped fiber mode-locked lasers have shown great potential for compact, robust and efficient optical clock comparisons. However, to simultaneou…