Gain control by means of pump compensation in cascades of erbium-doped fiber amplifiers (EDFA’s) is analyzed. Based on analytical expressions for the 1-dB rise/fall time for the case of channels add/drop, required pump power changes at each amplifier are derived in the form of simple closed expressions. Numerical simulations of a system comprising 20 wavelengthdivision- multiplexed channels transmitted through a cascade of 35 EDFA’s are performed demonstrating the effectiveness of the gain control.
Gain control in EDFA's by pump compensation / L., Tancevski; L. A., Rusch; Bononi, Alberto. - In: IEEE PHOTONICS TECHNOLOGY LETTERS. - ISSN 1041-1135. - 10:(1998), pp. 1313-1315. [10.1109/68.705627]
Gain control in EDFA's by pump compensation
BONONI, Alberto
1998-01-01
Abstract
Gain control by means of pump compensation in cascades of erbium-doped fiber amplifiers (EDFA’s) is analyzed. Based on analytical expressions for the 1-dB rise/fall time for the case of channels add/drop, required pump power changes at each amplifier are derived in the form of simple closed expressions. Numerical simulations of a system comprising 20 wavelengthdivision- multiplexed channels transmitted through a cascade of 35 EDFA’s are performed demonstrating the effectiveness of the gain control.| File | Dimensione | Formato | |
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