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Gain Flatness of a Planar Optical Waveguide Amplifier

01 January 2000

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We report on the broad gain and gain flatness spectra (1530-1565nm) of a 14cm long Er sup (3+) doped aluminosilicate waveguide amplifier pumped at 1470nm. We demonstrate its successful use as an in-line amplifier in an 8 channels WDM 155Mbit/s transmission fiber experiment.