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Proceedings Paper

Simultaneous transmission of accurate time and stable frequency through bidirectional channel over telecommunication infrastructure with excessive spans
Author(s): Josef Vojtech; Vladimir Smotlacha; Pavel Skoda
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Paper Abstract

In this paper, we present simultaneous transmission of accurate time and stable frequency over 306 km long fiber link. The fiber link belongs to the Time and Frequency infrastructure that is being gradually developed and which shares fiber footprint with data network. The link had been originally deployed with wavelength division multiplexing systems for C and L band systems. But it has been recently upgraded to support 800 GHz wide super-channel with single signal path for both directions. This bidirectional super-channel spans over two extensive segments with attenuation of 28 and 25 dB.

Paper Details

Date Published: 9 September 2015
PDF: 7 pages
Proc. SPIE 9598, Optics and Photonics for Information Processing IX, 95981A (9 September 2015); doi: 10.1117/12.2186959
Show Author Affiliations
Josef Vojtech, CESNET z.s.p.o. (Czech Republic)
Vladimir Smotlacha, CESNET z.s.p.o. (Czech Republic)
Pavel Skoda, CESNET z.s.p.o. (Czech Republic)


Published in SPIE Proceedings Vol. 9598:
Optics and Photonics for Information Processing IX
Abdul A. S. Awwal; Khan M. Iftekharuddin; Mohammad A. Matin; Mireya García Vázquez; Andrés Márquez, Editor(s)

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