Ikhsan, Roby
Universitas Riau

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Detected Signal Performance of Semiconductor Optical Amplifier and Raman Fiber Ikhsan, Roby; Syahputra, Romi F; Saktioto, Saktioto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 2: April 2019
Publisher : Universitas Ahmad Dahlan

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Abstract

The technology of optical fiber communication has greatly been developed due to limitations on communication methods for information needs. Optical fiber is one of waveguides that is able to transmit information in large capacity, high speed and low attenuation. Due to long transmission line, the signal transmission needs to be kept from the disturbances of geometry differences, material impurities, and signal sources. Optical amplifier is required to retain the signal. Some types of amplifiers have been used however each has advantages and disadvantages. This final project investigates the perfomances of Semiconductor Optical Amplifier (SOA) and Fiber Raman Amplifier (FRA). Both amplifiers were designed and compared by inline amplifiers using a simulation method. The simulation method used was Optisystem version 11.1.0.53. The results showed that FRA system can transmit signals further than SOA system. Both amplifiers showed good performances based on BER and Q-factor values which are smaller than 10-12 and bigger than 6 respectively for a distance of 200 km on FRA and 190 km on SOA. The attenuation in FRA system is smaller than SOA system. The coefficient of attenuation on FRA system is 0.435 dBm/km and 0.456 dBm/km on SOA system for a distance of 100 km and wavelength of 1350 nm. 
ANALISIS KOMPENSASI DISPERSI MENGGUNAKAN PENGUAT RAMAN PADA JARINGAN WDM (WAVELENGTH DIVISION MULTIPLEXING) DALAM KOMUNIKASI SERAT OPTIK Ikhsan, Roby; Syahputra, Romi Fadli; Saktioto, Saktioto
Komunikasi Fisika Indonesia Vol 15, No 2 (2018)
Publisher : Universitas Riau

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Abstract

The discovery of optical fiber cause widespread revolution of communication system. Optical fiber communication has excellency on data transmission speed, security, flexibility, and broadly bandwidth. The applying of WDM network can broaden the bandwidth so that the transmission performance becomes more splendid. Although some factors such as dispersion, attenuation, and scattering can hinder the performance of fiber optic on sending data. Moreover dispersion can wreck data and spread pulse as it travels alongs fiber so that causing interference. There is some methods  of dispersion compensation. In this paper, Fiber Raman Amplifier is used on WDM network to strengthen signal which is sent to detector. This research utilize simulation approachment  with various bandwidth and length fiber. The results show lowest BER value and highest Q-factor at bandwidth frequency of 30 GHz and fiber length of 20 km.