Effect of soil temperature on one-way optical frequency transfer through dense-wavelength-division-multiplexing fibre links

Applied Optics, Vol. 54, Issue 4, pp. 728-738 (2015) Results of optical frequency transfer over a carrier-grade dense-wavelength-division-multiplexing (DWDM) optical fibre network are presented. The relation between soil temperature changes on a buried optical fibre and frequency changes of an optic...

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Bibliographic Details
Main Authors:	Pinkert, T. J, Böll, O, Jansen, G. S. M, Dijck, E. A, Groeneveld, B. G. H. M, Smets, R, Bosveld, F. C, Ubachs, W, Jungmann, K, Eikema, K. S. E, Koelemeij, J. C. J
Format:	Journal Article
Language:	English
Published:	16-10-2014
Subjects:	Physics - Optics
Online Access:	Get full text
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Summary:	Applied Optics, Vol. 54, Issue 4, pp. 728-738 (2015) Results of optical frequency transfer over a carrier-grade dense-wavelength-division-multiplexing (DWDM) optical fibre network are presented. The relation between soil temperature changes on a buried optical fibre and frequency changes of an optical carrier through the fibre is modelled. 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 x 298 km fibre 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 one-way optical frequency dissemination is sufficiently stable to distribute and compare e.g. rubidium frequency standards over standard DWDM optical fibre networks.
DOI:	10.48550/arxiv.1410.4600