Title :
Two-way link for time interval comparison of optical clocks over free-space
Author :
Giorgetta, Fabrizio R. ; Swann, William C. ; Coddington, Ian ; Baumann, Esther ; Deschênes, Jean-Daniel ; Sinclair, Laura ; Zolot, Alexander M. ; Newbury, Nathan R.
Author_Institution :
Quantum Electron. & Photonics Div., Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
We demonstrate a free-space link for clock comparisons based on the two-way exchange of pulse trains from combs. The residual uncertainty is 5 × 10-17 in 100 seconds over a 120 m air path, with longer distances possible.
Keywords :
clocks; optical fibre communication; optical links; air path; free-space link; optical clocks; pulse trains; residual uncertainty; time 100 s; time interval; two-way exchange; two-way link; Clocks; Delay; Optical fiber communication; Optical fibers; Optical mixing;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
