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Optical and Quantum Electronics

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01.02.2023

Design of ring-based 1 Tbps hybrid PON-FSO fault protection system using add/drop multiplexer

verfasst von: Meet Kumari, Vivek Arya

Erschienen in: Optical and Quantum Electronics | Ausgabe 2/2023

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Abstract

The demand for fault protection transmission link with high-speed, high security and long-reach in an optical access network is growing at an exponential rate. It is quite difficult to accommodate huge number of users with several connected devices in different geographical locations without deteriorating the quality of service at low cost. So, strong communication technique is needed that can offers high-speed, long-reach transmission and high data security along with multiple connected users or devices. In this paper, a ring-topology based hybrid passive optical network free space optics system using optical add/drop multiplexer with fault protection optical access network has been proposed. It is a promising network with fault-protection link for enhanced survivability and reliability of the network especially for the remote areas when the primary fiber link is broken or cut in the network. The results show that generated signal can propagate through a hybrid 10 km fiber along with FSO link of 35 km in downstream and 40 km in upstream transmission at symmetric 1 Tbps data rate considering turbulence effects and atmospheric conditions. Also, using single weight zero-cross correlation code in the proposed system offers the received optical power from − 5 to – 25 dBm under different atmospheric conditions. For hybrid fiber-FSO link, the maximum power penalties of 3 and 5 dB among 50 users can be achieved with respect to back-to-back and fiber links respectively, under 10^–9 BER. The comparison of the obtained results with literature, show that the hybrid fiber-FSO link offers cost-effective long-reach, high transmission rate and security.

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Titel: Design of ring-based 1 Tbps hybrid PON-FSO fault protection system using add/drop multiplexer
verfasst von: Meet Kumari
Vivek Arya
Publikationsdatum: 01.02.2023
Verlag: Springer US
Erschienen in: Optical and Quantum Electronics / Ausgabe 2/2023
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI: https://doi.org/10.1007/s11082-022-04408-x

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