@article{1235676, author = {Takuma Nakamura and Josue Davila-Rodriguez and Holly Leopardi and Jeffrey Sherman and Tara Fortier and Xiaojun Xie and Joe Campbell and Will McGrew and Xiaogang Zhang and Youssef Hassan and Daniele Nicolodi and Kyle Beloy and Andrew Ludlow and Scott Diddams and Franklyn Quinlan}, title = {Coherent Optical Clock Down-Conversion for Microwave Frequencies with 10-18 Instability}, year = {2020}, month = {2020-05-22 04:05:00}, publisher = {Science Magazine}, doi = {https://doi.org/10.1126/science.abb2473}, language = {en}, }