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980 nm band pump wavelength tuning of the gain spectrum of EDFAs

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We report 2-3 dB changes in the gain spectra of EDFAs in response to nanometer changes in pump wavelength within the 980 nm pump band. The pump wavelength induced gain changes are characterized and several techniques are presented to use them to improve the gain flatness of EDFAs.

© 1997 Optical Society of America

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