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| Experimental Analysis of Digital Losses in Optical Fiber Communication System |
Enerst Edozie, Dr. Kelechi John Ukagwu, Dr. Malik Mohamed Umar, Engr. Zaina Kalyankolo
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Abstract:
In the communication era, technology is experiencing an unimaginable demand for low cost higher capacity networks. Recently, the progress in data processing due to the development of higher speed and higher density integrated circuits have exceeded the existing mode of data transmission. The usage of a large bundle of copper wires as a means for transferring information has become less desirable due to its size, metal conductor costs, weight and bandwidth limitations which have forced engineers and scientists to look for other ways of handling data. From the various possibilities developed, one of the most effective solutions to communication is fiber optics due to its importance and low cost. Most of the telecommunication traffic around the country is carried over the fiber optic cable. The long distance transmission within the region is through optical fiber laid underground. They are parameters (Vibration, temperature, bending etc...) that affect the propagation of light in the fiber optic cable. All these factors increases the optical loss and attenuate the optical signal. The attenuation, especially in the long distance communication increases the bit error rate and degrades the quality of service. The purpose of this paper is to analyze different optical losses such as vibration, bending and temperature through different experimental data collections. The Optical Time - Domain Reflectometer (OTDR) has been used to acquire these signal losses on the optical fiber, and optical power meter was used for fiber optic test.
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