Analisis Unjuk Kerja Penguat Optik Hybrid Raman Optical Amplifier-Erbium Doped Fiber Amplifier Pada Sistem Dense Wavelength Division Multiplexing Berbasis Soliton

Rama, Panji Prakoso (2021) Analisis Unjuk Kerja Penguat Optik Hybrid Raman Optical Amplifier-Erbium Doped Fiber Amplifier Pada Sistem Dense Wavelength Division Multiplexing Berbasis Soliton. Undergraduate Thesis thesis, Institut Teknologi Telkom Purwokerto.

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Abstract

Utilization of the DWDM system in fiber optic communication systems is very supportive for the use of high bit rates and efficient bandwidth requirements. But the increase in the length of the optical fiber or the distance used results in an increase in the attenuation of the optical fiber. So we need a strengthening system to overcome this, one of which is the Hybrid Optical Amplifier. The purpose of this thesis is to analyze the placement performance of the EDFA-ROA hybrid optical amplifier on a soliton-based DWDM system. There are two parameters that form the basis of the test including variations in laser power and optical fiber length. The laser power variations used are -4, -2, 0, 2, and 4 dBm. The fiber optic link lengths used are 20, 60, and 100 km. The two test parameters will be tested in two scenarios of amplifier placement, namely Booster – Preamplifer Scenario and Inline – Preamplifier Scenario, the two scenarios will be simulated using optisystem software. Based on the simulation results, it shows that the difference in laser input power results in fluctuations in the BER and Q-factor values, namely the average BER value increases and the Q Factor value decreases when the laser input power is 4 dBm. On the other hand, the Gain spectrum increases as the input power decreases. These results indicate that a large Gain Spectrum does not necessarily have a decent power delivery quality. Based on variations in the length of the optical fiber, it has been shown that the BER value increases, the Q-factor value decreases, and the Spectrum Gain decreases with the increase in the length of the optical fiber. This is possible due to the effects of dispersion and loss on the optical fiber. Overall, the InlinePreamplifier scenario in this system is better seen at a fiber distance of 60 km where the BER value is 2.68E-012 and the Q-factor is 6.89 (according to the ITUT standard).. Keyword: BER, Q-faktor, Gain, Optisystem 7.0

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