Description
Free-space optical time transfer is a key enabling technology for intercontinental comparisons of optical atomic clock time scales and the eventual redefinition of the SI second. However, full realization of their potential for femtosecond-level intercomparisons requires ground-to-space (and possibly space-to-space) link operation. We present a series of long-range atmospheric channel characterizations and time transfer demonstrations, through a variety of atmospheric turbulence conditions. In addition to time transfer, our channel measurements are also relevant for long-range quantum communications, including space-to-ground quantum resource dissemination.
Approved for public release; distribution is unlimited. Public Affairs release approval AFRL-2022-2073.
| Presenter name | Benjamin Stuhl |
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