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Optics Letters

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  • Vol. 14, Iss. 16 — Aug. 15, 1989
  • pp: 880–882

Transient gain and cross talk in erbium-doped fiber amplifiers

C. R. Giles, E. Desurvire, and J. R. Simpson  »View Author Affiliations


Optics Letters, Vol. 14, Issue 16, pp. 880-882 (1989)
http://dx.doi.org/10.1364/OL.14.000880


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Abstract

Transient gain saturation and recovery with 110–340-μsec time constants were observed in erbium-doped fiber amplifiers. This slow response reduces the effects of saturation-induced cross talk and intermodulation distortion associated with multichannel signal amplification. In a two-channel amplification experiment, negligible saturation-induced cross talk was measured at signal modulation frequencies >5 kHz. Increased suppression of saturation-induced cross talk was achieved through feed-forward compensation to reduce low-frequency gain fluctuations.

© 1989 Optical Society of America

History
Original Manuscript: February 22, 1989
Manuscript Accepted: May 18, 1989
Published: August 15, 1989

Citation
C. R. Giles, J. R. Simpson, and E. Desurvire, "Transient gain and cross talk in erbium-doped fiber amplifiers," Opt. Lett. 14, 880-882 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-16-880

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