All optical two-way time transfer in strongly heterogeneous networks

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F63839172%3A_____%2F14%3A10130396" target="_blank" >RIV/63839172:_____/14:10130396 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1117/12.2061346" target="_blank" >http://dx.doi.org/10.1117/12.2061346</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1117/12.2061346" target="_blank" >10.1117/12.2061346</a>

Result language
angličtina
Original language name
All optical two-way time transfer in strongly heterogeneous networks
Original language description
We experimentally compared different options for interconnection of remote places in precise time transmission infrastructures. We aimed at lines with bidirectional single path amplification, as they provide the best results in term of time uncertainty.For links with high reflections and without accessible midpoints, the distributed Raman amplification has been tested. In case of dark channels with fibre based "last miles", the Raman amplification in the last miles only has been verified. According toauthor's knowledge, this is the first time when the distributed amplification is used for modulated precise time transmission over fiber. For reference, the traditional lumped EDFAs suitable for transmission links or dark channels with accessible mid-point have been compared.
Czech name
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Czech description
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Project
<a href="/en/project/LM2010005" target="_blank" >LM2010005: Large Infrastructure CESNET</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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