This project involves improving the performance of optical communication systems, the work has been divided into two parts, the first concerns the study of attenuation in the fiber (linear and non-linear losses), in this context, simulations were performed and validated by the optical time-domain reflectmeters measurement (OTDR), in order to minimize these losses in single-mode fibers, the implementation of the EDFA was performed, experimental measurements with simulations were carried out.
The second part, concerns the improvement of performance of the optical link through the implementation of WDM multiplexing system, then the introduced of the OCDMA techniques and MDM,
This work was performed with the participation of the two companies, algerie telecom fixed operator, and sonatrach (hydrocarbons).

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• Algeria

• Youth
• Older persons
• Women
• People with disabilities
• The unemployed
• The poor
• Remote and rural communities

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