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L-band 2-LP mode EDFA with low modal dependent gain

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Abstract

We experimentally investigate mode-dependent gain (MDG) controllability in an L-band 2-LP mode amplifier, and realize a low MDG and flat-gain (<1 dB) in the 1570–1600 nm range by using a ring-core erbium-doped fiber amplifier.

© 2015 Optical Society of America

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