NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
High-performance free-space photonic links for frequency/time transfer
Published
Author(s)
Nathan R. Newbury, Fabrizio R. Giorgetta, William C. Swann, Laura C. Sinclair, Esther Baumann, Ian R. Coddington
Abstract
We discuss optical two-way time and frequency transfer over air to connect remote optical clocks/oscillators. This method can link remote sites with a residual timing noise of femtoseconds and a residual fractional accuracy below 10^-18.
Proceedings Title
IEEE Photonics Conference 2013
Conference Dates
September 8-12, 2013
Conference Location
Bellevue, WA
Pub Type
Conferences
Keywords
frequency combs, frequency transfer, optical clocks
Newbury, N.
, Giorgetta, F.
, Swann, W.
, Sinclair, L.
, Baumann, E.
and Coddington, I.
(2013),
High-performance free-space photonic links for frequency/time transfer, IEEE Photonics Conference 2013, Bellevue, WA
(Accessed October 1, 2025)