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Optics Letters

Optics Letters

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  • Vol. 27, Iss. 13 — Jul. 1, 2002
  • pp: 1117–1119

Suppression of dynamic instabilities in erbium-doped fiber amplifiers with a combined gain control system

Sergey V. Sergeyev, Evgeny Vanin, and Sergei Popov  »View Author Affiliations


Optics Letters, Vol. 27, Issue 13, pp. 1117-1119 (2002)
http://dx.doi.org/10.1364/OL.27.001117


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Abstract

We report an improved transient response of an Er<sup>3+</sup> -doped fiber-optic amplifier with combined electronic feedforward (EFF) and optical feedback (OFB) control systems. We find, theoretically and experimentally, that the time delay of an EFF response leads to control instabilities in the form of erbium-doped fiber amplifier gain auto-oscillations, which can be suppressed by an appropriate choice of OFB wavelength and control system design.

© 2002 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2410) Fiber optics and optical communications : Fibers, erbium

Citation
Sergey V. Sergeyev, Evgeny Vanin, and Sergei Popov, "Suppression of dynamic instabilities in erbium-doped fiber amplifiers with a combined gain control system," Opt. Lett. 27, 1117-1119 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-13-1117

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