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Proceedings Paper

Gradient distributed Er3+-doped fiber amplifiers for high-speed soliton optical communication systems
Author(s): Orlin Gotchev; Todor Mirtchev
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Paper Abstract

In this paper a new kind of device - a gradient distributed fiber amplifier -is proposed and analysed. In such an amplifier the concentration of the dopant ions increases along its length in the direction of pump power decrement, in a way that ensures nearly constant signal gain coefficient in every point of the fiber. Hence, an optimal amplification configuration that simultaneously minimises the influence of the background attenuation, the soliton self-frequency shift and the third order dispersion on the solitary signal pulses can be chosen and maintained in such device. Although in the general case the perturbations cannot be completely canceled4 ,the results of the computer model clearly show that a gradient fiber amplifier can be designed as a transparent transport media for high-speed, long distance optical fiber communications. Keywords: optical communication lines, solitons, Er3-doped fiber amplifiers.

Paper Details

Date Published: 27 December 1996
PDF: 6 pages
Proc. SPIE 3052, Ninth International School on Quantum Electronics: Lasers--Physics and Applications, (27 December 1996); doi: 10.1117/12.262930
Show Author Affiliations
Orlin Gotchev, Univ. of Sofia (Bulgaria)
Todor Mirtchev, Univ. of Sofia (Bulgaria)


Published in SPIE Proceedings Vol. 3052:
Ninth International School on Quantum Electronics: Lasers--Physics and Applications
Peter A. Atanasov, Editor(s)

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