Design a Simulation System for Data Transmission in Order to Obtain Best Values for the Laser Power Used

Abstract:

Simulation programs are considered one of the crucial tools in helping to test modern technologies in laboratories before applying them to reality. Optisystem is one of these important programs in the field of communications and data transmission. In this article , the optisystem program was used to simulate a telecommunications system to transmit data via an fiber optics for a distance of 40 km .Where the variable parameter was the power .Where the data was sent at the first power value, which is zero dBm, and both the Q. factor and the Bit Error Rate BER were recorded for each power value .The power was increased by 4 dBm each time .In return, the value of Q. factor and BER is recorded . Until the power value reaches 24 dBm .Where the value of the Q. factor becomes 0 and BER is 1.

• Periodical: Engineering Headway (Volume 35)
• Pages: 155-164
• DOI: https://doi.org/10.4028/p-4juPnk
• Online since: February 2026
• Authors: Hasan J. Hasan, Mohammad Malik Abood
• Keywords: BER, Data Transfer, Eye Diagram, Optical Fiber, Optisystem App, Q. Factor

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