Abstract
The study reported here deals with the exploitation of perfluorinated graded index polymer optical fiber bandwidth to add further services in a home/office network. The fiber properties are exhibited in order to check if perfluorinated graded index plastic optical fiber (PFGI-POF) is suitable to support a multiplexing transmission. According to the high bandwidth length of plastic fibers, both at 850 nm and 1,300 nm, the extension of the classical baseband existing network is proposed to achieve a dual concept, allowing the indoor coverage of wireless signals transmitted using the Radio over Fiber technology. The simultaneous transmission of a 10 GbE signal and a wireless signal is done respectively at 850 nm and 1,300 nm on a single plastic fiber using wavelength division multiplexing commercially available devices. The penalties have been evaluated both in digital (Bit Error Rate measurement) and radiofrequency (Error Vector Magnitude measurement) domains.
Highlights
Nowadays, the plastic fiber technology remains one of the challenging solutions for small office/home office network deployments as compared to the glass fiber technology
While the graded index polymer optical fibers (POF) based on PMMA material are restricted to telecommunication systems in the visible range due to the high fiber attenuation of the PMMA within the infrared (IR) spectra, perfluorinated graded index plastic optical fiber (PFGI-POF) seems to be a prime candidate to be used with high speed (>1 Gbps) and commercial off the shelf infrared transceivers
Even if the use of heavy hydrogen induces a significant improvement of the fiber attenuation [5] over the visible spectrum, the deuterium based POF are very sensitive to the water vapor in the ambient air which is absorbed by the core material leading to an increase of the attenuation
Summary
The plastic fiber technology remains one of the challenging solutions for small office/home office network deployments as compared to the glass fiber technology. Of the commercially available plastic fibers, PolyMethylMethAcrylate (PMMA) and perfluorinated graded index polymer optical fibers (POF) represent the two mains candidates able to be used for high speed/medium range home/office network, due to their bandwidth, as compared to the step index, capabilities. According to the high bandwidth length products of the plastic fibers both at 850 nm and 1,300 nm, the idea is to extend the classical baseband existing network to a dual concept providing the indoor coverage of wireless signals transmitted using the Radio over Fiber technology. This concept is very useful when the two transmitted signals exhibit potential overlapped spectrum. Using Ultra Coarse Wavelength Multiplexing (i.e., 850 nm and 1,300 nm) which is affordable using WDM multimode couplers, the radio over fiber technology can be used with the digital baseband transmission on the same multimode PFGI-POF fiber converting, so this supports a multi-services transmission media (Figure 1)
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