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Coherent optical two-way frequency transfer in a commercial DWDM network
RISE, SP – Sveriges Tekniska Forskningsinstitut.
RISE, SP – Sveriges Tekniska Forskningsinstitut.
RISE, SP – Sveriges Tekniska Forskningsinstitut.
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2016 (English)In: Proceedings of the Annual Precise Time and Time Interval Systems and Applications Meeting, PTTI, 2016, 116-120 p.Conference paper, Published paper (Refereed)
Abstract [en]

An experimental fiber connection for ultra-stable optical frequency transfer is established between SP Technical Research Institute of Sweden in Borås and Chalmers University of Technology in Gothenburg. The distance is approximately 60 km, and the connection is implemented in the Swedish University Computer Network. The sites are connected through an active flexible communication network where each optical channel can be configured with terminal equipment based on the user needs. The network is implemented with unidirectional optical amplifiers and duplex fibers. The signal quality and the stability when sending an optical coherent frequency utilizing a wavelength in a DWDM system fiber pair, is evaluated within this work. The aim of the system is to be ultra-stable which corresponds to a stability of 10-13 for t = 1 s (Overlapping Allan Variance), as well as providing the ability to distribute monitored ultra-stable frequency with a future traceability to UTC (SP) to multiple users within the future network. This paper describes the current status and results from the frequency transfer between SP and Chalmers. © 2016 The Institute of Navigation, Inc.

Place, publisher, year, edition, pages
2016. 116-120 p.
Keyword [en]
Dense wavelength division multiplexing, Fiber amplifiers, Optical communication, Platinum alloys, System stability, Telecommunication networks, Chalmers University of Technology, Coherent frequency, Fiber connections, Flexible communication, Frequency transfer, Stable frequencies, Technical research, Terminal equipment, Optical communication equipment
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27665Scopus ID: 2-s2.0-84964987466OAI: oai:DiVA.org:ri-27665DiVA: diva2:1059230
Conference
47th Annual Precise Time and Time Interval Systems and Applications Meeting, PTTI 2016, 25 January 2016 through 28 January 2016
Note

References: Foreman, S.M., Holman, K.W., Hudson, D.D., Jones, D.J., Ye, J., Remote transfer of ultrastable frequency references via fiber networks (2007) Review of Scientific Instruments, 78 (2), p. 021101; Jiang, H., Kéfélia, F., Crane, S., Lopez, O., Lours, M., Millo, J., Santarelli, G., Long-distance frequency transfer over an urban fiber link using optical phase stabilization (2008) JOSA B, 25 (12), pp. 2029-2035; Predehl, K., Grosche, G., Raupach, S.M.F., Droste, S., Terra, O., Alnis, J., Schnatz, H., A 920-kilometer optical fiber link for frequency metrology at the 19th decimal place (2012) Science, 336 (6080), pp. 441-444; Droste, S., Ozimek, F., Udem, T., Predehl, K., Hänsch, T.W., Schnatz, H., Holzwarth, R., Optical-frequency transfer over a single-span 1840 km fiber link (2013) Physical review letters, 111 (11), p. 110801; Pottié, P.E., Lopez, O., Kanj, A., Rovera, D., Achkar, J., Chardonnet, C., Amy-Klein, A., Santarelli, G., Time and frequency comparisons with optical fiber links (2014) Proceedings of the Journées, 1, pp. 124-127; Ebenhag, S.C., Zelan, M., Hedekvist, P.O., Karlsson, M., Josefsson, B., Two-way coherent frequency transfer in a commercial DWDM communication network in Sweden (2015) Frequency Control Symposium & the European Frequency and Time Forum (FCS), 2015 Joint Conference of the IEEE International, pp. 276-279

Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2016-12-22Bibliographically approved

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