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Alternative spectral windows for photonic services distribution
Author(s): Josef Vojtech; Ondrej Havlis; Martin Slapak; Sarbojeet Bhowmick; Jan Radil; Petr Munster; Tomas Horvath; Radek Velc; Jan Kundrat; Lada Altmannova; Vladimir Smotlacha; Rudolf Vohnout; Jan Hrabina; Martin Cizek; Lenka Pravdova; Simon Rerucha; Ondrej Cip; Radan Slavik; Libor Marecek; Pavel Skoda; Michal Hazlinsky
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Paper Abstract

Optical fibers are becoming commonly used beside data transmissions for dissemination of ultra-precise and stable quantities or alternatively as distributed sensors of for example acoustic and mechanic vibrations, seismic waves, temperature etc. There have been developed methods for these transfers and their stabilization, allowing thus to achieve excellent performances. Such performance is bound with utilization of single physical medium for both ways of propagation. These methods are attractive both for very high-performance applications and as a secure alternative complementary to radio and satellite-based transfer methods. From economical point of view, sharing fibers with regular data traffic is an advantage, especially for longer distances and large infrastructures. Unfortunately, the most often used wavelengths are located almost in the middle of telecommunication band. Due to continuous data traffic growth and utilization of flexible spectral allocation, the collision in wavelength plan will occur more and more often. In this paper we overview alternative wavelengths suitable for these transfers, we also propose suitable methods for all-optical reach extension, by all-optical amplification. Shared line design allowing transfer of ultra-stable quantities in three different spectral bands is proposed and such design is evaluated.

Paper Details

Date Published: 9 September 2019
PDF: 8 pages
Proc. SPIE 11128, Infrared Remote Sensing and Instrumentation XXVII, 1112806 (9 September 2019); doi: 10.1117/12.2529713
Show Author Affiliations
Josef Vojtech, CESNET z.s.p.o. (Czech Republic)
Ondrej Havlis, CESNET z.s.p.o. (Czech Republic)
Martin Slapak, CESNET z.s.p.o. (Czech Republic)
Sarbojeet Bhowmick, CESNET z.s.p.o. (Czech Republic)
Jan Radil, CESNET z.s.p.o. (Czech Republic)
Petr Munster, CESNET z.s.p.o. (Czech Republic)
Tomas Horvath, CESNET z.s.p.o. (Czech Republic)
Radek Velc, CESNET z.s.p.o. (Czech Republic)
Jan Kundrat, CESNET z.s.p.o. (Czech Republic)
Lada Altmannova, CESNET z.s.p.o. (Czech Republic)
Vladimir Smotlacha, CESNET z.s.p.o. (Czech Republic)
Rudolf Vohnout, CESNET z.s.p.o. (Czech Republic)
Jan Hrabina, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Martin Cizek, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Lenka Pravdova, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Simon Rerucha, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Ondrej Cip, Institute of Scientific Instruments of the CAS, v.v.i. (Czech Republic)
Radan Slavik, Univ. of Southampton (United Kingdom)
Libor Marecek, Palacky Univ. (Czech Republic)
Pavel Skoda, CESNET z.s.p.o. (Czech Republic)
Michal Hazlinsky, CESNET z.s.p.o. (Czech Republic)


Published in SPIE Proceedings Vol. 11128:
Infrared Remote Sensing and Instrumentation XXVII
Marija Strojnik; Gabriele E. Arnold, Editor(s)

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