〇Takuma Nakamura^1,2, Josue Davila-Rodriguez^1,2, Holly Leopardi^1,2, Jeff Sherman^1,2, Tara Fortier^1,2, Xiaojun Xie³, Joe Campbell³, William McGrew^1,2, Xiaogang Zhang^1,2, Youssef Hassan^1,2, Daniele Nicolodi^1,2, Kyle Beloy¹, Andrew Ludlow^1,2, Scott Diddams^1,2, Franklyn Quinlan^1,2 (1.NIST, Time and Frequency Division, 2.University of Colorado Boulder, 3.University of Virginia)