A 95 × 40 Gb/s DWDM transmission system using broadband and flat gain amplification of promoted parallel EDFA

被引:0
作者
Alabbas A. Al-Azzawi
Salam M. Azooz
Aya A. Almukhtar
Yaqeen S. Mezaal
Aqeel Al-Hilalli
Jassim K. Hmood
S. W. Harun
机构
[1] Al-Esraa University College,Medical Instrumentation Engineering Department
[2] Al-Furat Al-Awsat Technical University,Department of Communication Engineering, Engineering Technical College
[3] Al-Farahidi University,Department of Medical Instruments Engineering Techniques
[4] University of Technology,Laser and Optoelectronics Engineering Department
[5] University of Malaya,Department of Electrical Engineering
[6] UCSI University,Institute of Computer Science and Digital Innovation
来源
Optical and Quantum Electronics | 2022年 / 54卷
关键词
Optical amplifier; EDFA; Promoted parallel EDFA; Parallel configuration; DWDM;
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中图分类号
学科分类号
摘要
A novel promoted parallel erbium doped fiber amplifier (PP-EDFA) is numerically demonstrated and investigated, for high capacity 95 × 40 Gb/s dense wavelength division multiplexing (DWDM) transmission system. The proposed PP-EDFA is used to achieve a flat gain over wideband within communication window. The amplifier consists of two sections of erbium-doped fiber (EDF) with a total length of 6 m and requires a total pump laser power of 195 mW. The results reveal that the amplifier has flat gain of 19.8 dB with a ripple of less than 1 dB, over broad bandwidth of 80 nm. The noise figure (NF) of proposed amplifier fluctuates between 3.1 and 5.2 dB, within bandwidth of 1520–1600 nm. In contrast with parallel EDFA (P-EDFA), the proposed PP-EDFA contributes to a higher and flatter gain, as well as it requires shorter EDFs and lower pumping power. The acceptable bit error rate (BER) and signal quality results prove the feasibility of proposed PP-EDFA for applications in broadband DWDM transmission systems. The PP-EDFA can achieve a maximum transmission distance of 90 km for 95-channel DWDM transmission system.
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