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<p>For achieving higher data rates with better signal quality, free space optical communication is considered to be emerging wireless technology. However due to propagation losses and attenuation, the performance is highly impacted. So, the proposed work evaluates a dual-EDFA-assisted FSO system which operates at 10Gbps by using an EDFA at transmitter and a pre-amplifier is also used at receiver for compensating the attenuation. The performance is then analyzed in the form of BER, Q-factor and received optical power for various distances, EDFA gain, atmospheric attenuation and launch power with optisystem simulations. The obtained results indicate improved signal quality with dual stage amplification configuration. At an attenuation of 1dB/km and transmission distance of 3Km, 4Km, 5&#xa0;km, Q factors of 15.7,10.8 and 6.1 respectively are achieved. The results prove acceptable performance upto 5&#xa0;km for the considered assumptions. The proposed study additionally examines the amplifier gain influence with launch power impact on system performance.</p>

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Performance evaluation and reach enhancement of FSO systems using EDFA-based optical amplification

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月28日

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  • Maninder Kaur,
  • Shippu Sachdeva,
  • Sachin Chawla,
  • Jatinder Kaur,
  • Mohd Shukri Ab Yajid,
  • Mandeep Kaur Chohan,
  • Akhil Gupta

摘要

For achieving higher data rates with better signal quality, free space optical communication is considered to be emerging wireless technology. However due to propagation losses and attenuation, the performance is highly impacted. So, the proposed work evaluates a dual-EDFA-assisted FSO system which operates at 10Gbps by using an EDFA at transmitter and a pre-amplifier is also used at receiver for compensating the attenuation. The performance is then analyzed in the form of BER, Q-factor and received optical power for various distances, EDFA gain, atmospheric attenuation and launch power with optisystem simulations. The obtained results indicate improved signal quality with dual stage amplification configuration. At an attenuation of 1dB/km and transmission distance of 3Km, 4Km, 5 km, Q factors of 15.7,10.8 and 6.1 respectively are achieved. The results prove acceptable performance upto 5 km for the considered assumptions. The proposed study additionally examines the amplifier gain influence with launch power impact on system performance.