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Conferences > OFC > 1994 > FA > FA7

Gain enhancement in EDFAs by using fiber-grating pump reflectors

C. E. Soccolich, V. Mizrahi, T. Erdogan, P. J. LeMaire, and P. Wysocki

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Abstract

As erbium-doped fiber amplifiers (EDFAs) are deployed in lightwave communication systems, performance and reliability enhancements are continually sought. Performance improvements can be obtained by using reflectors and optical circulators to double-pass the pump and signal beams through the erbium-doped fiber.1,2 We report the use of a simple, inexpensive fiber grating as a pump reflector to increase amplifier gain by as much as 2.2 dB and at the same time lower the noise figure.

© 1994 Optical Society of America

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