Abstract
We describe a dynamic erbium-doped fiber amplifier (EDFA) based on automatic feedback control of LPFG based active gain equalizing filters. With two LPFG mounted on a novel divided coil heater array, wide dynamic-range gain / power control for an EDFA was achieved with less than 0.8dB gain ripple, over 30 nm.
© 2007 Optical Society of America
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