Title	Simulation Study on Performance Improvement by Gain Optimization in CWDM Metropolitan Ring Network
Author	Mohammad Syuhaimi Ab-Rahman, Hamimi Fadziati A. Wahab, Boon Chuan Ng
Citation	Vol. 8  No. 11  pp. 140-147
Keywords	EDFA, gain, load line, BER, ring network, performance improvement, maximum node

Title	The Effect of First Pre-Amplifier Gain to the BER Performance in Restored Metro Ring Network
Author	Mohammad Syuhaimi Ab-Rahman
Citation	Vol. 8  No. 12  pp. 267-270
Keywords	EDFA, gain, first amplifier, BER, ring network, restoration

Title	Amplification of the Multi-Wavelength Signal by Using EDFA with Constant Gain
Author	Lidia Jordanova, Valentin Topchiev
Citation	Vol. 9  No. 12  pp. 38-43
Keywords	EDFA, WDM system, gain flatness, constant gain, multi wavelength signal, dynamic range of input signal