Optical Preamplifier and Inline Amplifiers Comparison Based Raman-EDFA Hybrid Amplifiers in 40 × 10 Gb/s DWDM System | ||||
| Menoufia Journal of Electronic Engineering Research | ||||
| Article 2, Volume 25, Issue 2, July 2016, Page 147-160 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjeer.2016.64093 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Ibrahim M. El-Dokany; Abd El–Naser A. Mohamed; Ahmed Nabih Zaki Rashed; Sarah El-Tahan | ||||
| Dept. of Electronics and Electrical Communications Engineering, Faculty of Electronic Engineering, Menouf 32951, Menoufia University, EGYPT | ||||
| Abstract | ||||
| his paper presents forty channels dense wavelength-division multiplexing (DWDM) system using a hybrid optical amplifier composed of Raman optical amplifiers and erbium doped fiber amplifier (EDFA). The forty channel DWDM system have been designed and simulated to study the behavior of the proposed Raman-EDFA amplifier as preamplifier and in-line amplifier to select one which have better performance with maximum transmission distance. These configurations are transmitted and measured over different distances. The optical link composed of dispersion compensated fiber (DCF) and single mode fiber (SMF) to limit the chromatic dispersion. The performance of the proposed hybrid optical amplifier as preamplifier and as in-line amplifier were evaluated by bit error rate (BER), output power, gain and quality factor (QF). Moreover, it calculate the number of spans and the length of each span which give maximum transmission distance for Raman-EDFA hybrid amplifier using the two positions as in-line amplifier along the fiber and as preamplifier at the end of the fiber. It is found that Raman-EDFA hybrid amplifier as preamplifier performed better than in-line optical amplifier. | ||||
| References | ||||
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