Hybrid Self-Protected Fiber-FSO WDM-PON System with Fiber Breakage Prevention

Ching Hsuan Hsu, Syu Yang Jiang, Shang En Hsieh, Chien Hung Yeh*, Yu Ting Lai, Lan Yin Chen, Shien Kuei Liaw, Chi Wai Chow

*此作品的通信作者

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

In this research, we present and design a blended wavelength-division-multiplexing passive optical network (WDM-PON) architecture to deliver both baseband and free-space optical (FSO) signals by using two wavelength bands over an available bandwidth to avoid the signal interference. Only using few additional components in the optical line termination (OLT) and optical network unit (ONU)/optical wireless unit (OWU) can achieve self-protected operation in the presented hybrid fiber-FSO access network against fiber breakage. In the measurement, eight WDM wavelengths with 24.3 Gbit/s on-off keying (OOK) modulation format are applied to verify and discuss the bit error rate (BER) performances of baseband and FSO signals, respectively, through 25 km fiber and 2 m wireless FSO connections. Therefore, the presented PON not only can deliver both baseband and FSO traffics, but can also provide a self-restored mechanism against fiber fault.

原文English
文章編號822
期刊Photonics
9
發行號11
DOIs
出版狀態Published - 11月 2022

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