Gradient distributed Er3+-doped fiber amplifiers for high-speed soliton optical communication systems

Orlin Gotchev; Todor Mirtchev

doi:10.1117/12.262930

27 December 1996 Gradient distributed Er3+-doped fiber amplifiers for high-speed soliton optical communication systems

Orlin Gotchev, Todor Mirtchev

Proceedings Volume 3052, Ninth International School on Quantum Electronics: Lasers--Physics and Applications; (1996) https://doi.org/10.1117/12.262930
Event: Ninth International School on Quantum Electronics: Lasers: Physics and Applications, 1996, Varna, Bulgaria

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.

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Orlin Gotchev and Todor Mirtchev "Gradient distributed Er3+-doped fiber amplifiers for high-speed soliton optical communication systems", Proc. SPIE 3052, Ninth International School on Quantum Electronics: Lasers--Physics and Applications, (27 December 1996); https://doi.org/10.1117/12.262930

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KEYWORDS

Fiber amplifiers

Solitons

Amplifiers

Optical amplifiers

Optical communications

Signal attenuation

Telecommunications

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