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Applied Optics

Applied Optics


  • Vol. 39, Iss. 24 — Aug. 20, 2000
  • pp: 4270–4277

Modeling and optimization of add–drop dynamics in gain-clamped fiber amplifiers

Jennifer Bryce, Yuxing Zhao, and Robert Minasian  »View Author Affiliations

Applied Optics, Vol. 39, Issue 24, pp. 4270-4277 (2000)

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A new dynamic model for gain-clamped fiber amplifiers is presented. The model can simulate the transient behavior of a gain-clamped erbium-doped fiber amplifier as a function of its controlling parameters. Results show the detailed dependence of the amplifier gain dynamics on launched pump power and reveal the pump-power penalty incurred in implementing gain control with minimal transients to power disturbances. The effect on the transients of varying the laser cavity feedback coupling is also presented. Model accuracy is verified by the excellent quantitative agreement with dynamic measurements over a range of operating conditions. Results show how an increase in pump power can effectively suppress both the dynamic and the steady-state signal power transients in wavelength-division multiplexing channel add–drop operations.

© 2000 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3280) Lasers and laser optics : Laser amplifiers

Original Manuscript: June 25, 1999
Revised Manuscript: May 19, 2000
Published: August 20, 2000

Jennifer Bryce, Yuxing Zhao, and Robert Minasian, "Modeling and optimization of add–drop dynamics in gain-clamped fiber amplifiers," Appl. Opt. 39, 4270-4277 (2000)

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