Analisis link budget dengan penguat hybrid erbium doped fiber amplifier (edfa) dan raman optical amplifier (roa) pada dwdm 16 kanal

Viktor, Purba (2018) Analisis link budget dengan penguat hybrid erbium doped fiber amplifier (edfa) dan raman optical amplifier (roa) pada dwdm 16 kanal. Undergraduate Thesis thesis, Institut Teknologi Telkom Purwokerto.

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Abstract

The transmission process in fiber optic communication systems caused of Interference by attenuation and dispersion in DWDM technology can be minimized with optical amplifiers. on optical amplifiers there are several methods, one of which is the hybrid method, hybrid amplifier combines several optical amplifiers in one optical link. In this research on DWDM system design will be using 16 channels with 100 Ghz channel spacing and 100 km optical link length and use Bidirectional optical fiber. Use Erbium Doped Fiber Amplifier (EDFA) and Raman Optical Amplifier (ROA). The research was conducted by varying the input power variations of laser -8, -6, -4, -2, 0, 2, and 4 dBm with 40 Gbps bitrate with two research scenarios. Analysis of the link budget calculation in this research does not calculate all the losses that occur in an optical fiber. In the first scenario, the EDFA amplifier is placed before the pump ROA and the second scenario of the EDFA amplifier is placed after the pump ROA. Based on the results of the testing that has been done with the positioning of the EDFA-ROA hybrid optical amplifier affecting the results obtained on the observed parameters. The first scenario is better for the Bit error rate (BER) and Q-Factor parameters then the second scenario is better for the received power parameter. Based on the results of the tests obtained, use variations in laser input power, and with two different scenarios getting good performance and the results obtained according to the specified standards. Keywords: DWDM, Hybrid EDFA and ROA, Q-factor, BER and Power Input.

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