Samenvatting
Results of optical frequency transfer over a carrier-grade dense-wavelength-division-multiplexing
(DWDM) optical fiber network are presented. The relation between soil temperature changes on a buried
optical fiber and frequency changes of an optical carrier through the fiber is modeled. Soil temperatures,
measured at various depths by the Royal Netherlands Meteorology Institute (KNMI) are compared with
observed frequency variations through this model. A comparison of a nine-day record of optical frequency
measurements through the 2 × 298 km fiber link with soil temperature data shows qualitative
agreement. A soil temperature model is used to predict the link stability over longer periods
(days–months–years). We show that optical frequency dissemination is sufficiently stable to distribute
and compare, e.g., rubidium frequency standards over standard DWDM optical fiber networks using
unidirectional fibers.
(DWDM) optical fiber network are presented. The relation between soil temperature changes on a buried
optical fiber and frequency changes of an optical carrier through the fiber is modeled. Soil temperatures,
measured at various depths by the Royal Netherlands Meteorology Institute (KNMI) are compared with
observed frequency variations through this model. A comparison of a nine-day record of optical frequency
measurements through the 2 × 298 km fiber link with soil temperature data shows qualitative
agreement. A soil temperature model is used to predict the link stability over longer periods
(days–months–years). We show that optical frequency dissemination is sufficiently stable to distribute
and compare, e.g., rubidium frequency standards over standard DWDM optical fiber networks using
unidirectional fibers.
| Originele taal-2 | English |
|---|---|
| Pagina's (van-tot) | 728-738 |
| Aantal pagina's | 11 |
| Tijdschrift | Applied Optics |
| Volume | 54 |
| Nummer van het tijdschrift | 4 |
| DOI's | |
| Status | Published - 1-feb.-2015 |