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<p>This paper presents a simulation for eavesdropping on optical signals. The simulation shows how a uniform Fiber Bragg Grating can be used to pick up optical signals wirelessly in FSO communications. The OptiSystem 7.0 is utilized to assess a simulation to evaluate the robustness of the over-the-air signal for surveillance purposes. According to the simulations, RZ modulation outperforms NRZ modulation. The study shows that a PIN-type photodetector outperforms an APD in terms of listening capability under BER modulation. When there is eavesdropping, EML is a superior form of DML. We employed the quality factor (Q-factor) and log (BER) to assess the system’s quality. We monitored optical signals at 20 Gb/s with power levels of 10, 20, and 30 dBm. This indicates that over-the-air data loss is feasible, posing a significant risk to FSO.</p>

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Investigating the quality of the eavesdropped optical signal in FSO by FBG

  • 期刊论文

  • 发表日期：

    2026年5月22日

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  • Dania Ahmed Saadoon,
  • Mazin Ali

摘要

This paper presents a simulation for eavesdropping on optical signals. The simulation shows how a uniform Fiber Bragg Grating can be used to pick up optical signals wirelessly in FSO communications. The OptiSystem 7.0 is utilized to assess a simulation to evaluate the robustness of the over-the-air signal for surveillance purposes. According to the simulations, RZ modulation outperforms NRZ modulation. The study shows that a PIN-type photodetector outperforms an APD in terms of listening capability under BER modulation. When there is eavesdropping, EML is a superior form of DML. We employed the quality factor (Q-factor) and log (BER) to assess the system’s quality. We monitored optical signals at 20 Gb/s with power levels of 10, 20, and 30 dBm. This indicates that over-the-air data loss is feasible, posing a significant risk to FSO.