Investigation Of Microwave Photonic (RF-Optical)Optical Amplifier

Nur Idayu, Ibharim (2012) Investigation Of Microwave Photonic (RF-Optical)Optical Amplifier. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In the world of telecommunication, video and data transmission are purpose for the need of higher capacity and speed optical fiber communication systems are being extensively used. Nowadays, almost all the trunk lines of existing networks are using the optical fiber. Optical fiber extensively used because the usable transmission bandwidth on an optical fiber is larger (as much as 50 THz) as a result of which, it is capable of allowing the transmission of many signals over long distances. However, attenuation is the major limitation that imposed by the transmission medium for long distance with high speed optical systems and networks. In the optical communication, transmission rates now growing and highly demands in the field of communication, so it will make the electronic regeneration become more and more expensive. The optical amplifiers came into existence, which is to eliminate the costly of conversions from optical to electrical signal and vice versa. Furthermore, optical amplifier has wide gain spectrum ease of integration with other devices and low cost. This thesis is mainly concerned about the optical amplifier by using Raman amplifier (Distributed Raman Amplifier and Discrete Raman Amplifier) and Erbium doped fiber Amplifier (EDFA). The aim of investigation is to produce a working conversion from RF to optical. The performance of Raman Amplifier and EDFA were used and the performances have been compared based on the various types of configurations of optical amplifiers. Besides that, furthering investigate of the optical amplifier was done by using different parameter of RAMAN and EDFA such as fiber length, pump wavelength, pump power,signal wavelength and also signal power. Based on this investigate, the objective of this project was achieved where to find out, the best optical amplifier according to requirement.

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