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Analysis of Augmented Gain EDFA Systems using Single and Multi-wavelength Sources

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International Journal of Computer Applications
© 2012 by IJCA Journal
Volume 47 - Number 4
Year of Publication: 2012
Authors:
Jyoti Gujral
Vishu Goel
10.5120/7175-9821

Jyoti Gujral and Vishu Goel. Article: Analysis of Augmented Gain EDFA Systems using Single and Multi-wavelength Sources. International Journal of Computer Applications 47(4):15-21, June 2012. Full text available. BibTeX

@article{key:article,
	author = {Jyoti Gujral and Vishu Goel},
	title = {Article: Analysis of Augmented Gain EDFA Systems using Single and Multi-wavelength Sources},
	journal = {International Journal of Computer Applications},
	year = {2012},
	volume = {47},
	number = {4},
	pages = {15-21},
	month = {June},
	note = {Full text available}
}

Abstract

The scope of this paper is to analyze the performance of augmented gain EDFA systems using Single and Multi-wavelength Input sources. The Performance of an Optical Communication system can be improved by the use of EDFAs as an Optical Amplifier. Erbium doped fiber amplifier (EDFA) is an important element in DWDM networks. We can achieve a flat gain spectrum by modeling the dynamic characteristics of an EDFA. This paper presents basic EDFA model operating on single (1550nm) and multi (1520-1610) nm wavelength operation with their simulation results. For the present work, we have used EDFA design software tool. It simulates various characteristics such as amplified spontaneous emission, gain, noise figure etc. in efficient manner. The working principle of this software provides accurate simulations and results. It confirms the excellent agreement between simulations and results obtained in real EDFA design. The proposed model consists of an input source, isolator, pump source, erbium fiber and WDM coupler. By changing the design parameters such as Input signal power and Pump Power, the different performance parameters (gain and noise figure) can be optimized. Without changing the values of isolator, erbium fiber length and WDM coupler and keeping the values of Input signal power -30dBm and Pump Power 80mW the obtained optimized gain is 34. 45dB for single wavelength source and 32. 924 dB for multi wavelength source.

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