Abstract
This paper discussed on a simulation of optical transmission system in optical fiber. The optical fiber is always used in telecommunication system because of its characteristics which include small size or dimension, low loss and low interferences from outside environment. There are various types of optical fiber, the Fiber Bragg Grating (FBG) is commonly chosen as important components to compensate the dispersion in optical communication system. FBG is very simple, has low cost filter for wavelength selection and low insertion loss, it has also customized reflection spectrum and wide bandwidth . The simulation of transmission system will be analyzed based on different parameters by using OptiSystem simulator. By simulating a model of communication system and using the most suitable settings of the system which include input power (dBm), fiber cable length (km) and attenuation coefficient (dB/km) at cable section, there are three different parameters will be investigated which are output power (Watt), noise figure (dB), and gain (dB) at receiver. On the other hand, the frequency at transmitter (GHz) and cut-off frequency (Bit rate Hz) at receiver will be fixed earlier as initial setting for the simulation.
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