TY - JOUR AU - Jean-Daniel Deschenes AU - Laura Sinclair AU - Fabrizio Giorgetta AU - William Swann AU - Esther Baumann AU - Hugo Bergeron AU - Michael Cermak AU - Nathan Newbury C2 - Physical Review X DA - 2015-12-11 00:12:00 LA - en PB - Physical Review X PY - 2015 TI - Femtosecond synchronization of optical clocks over free-space links UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=918809 ER -