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- Title
Optimization of Multiple Active Ion Doped Fiber Amplifiers for Three Communication Windows.
- Authors
Chun Jiang; Li Jin
- Abstract
We present for the first time a theoretical model of Er3+-Tm3+-Pr3+ codoped fiber pumped with both 800nm and 980nm lasers to explore possibility of this co-doped system as all-wave fiber amplifier. The rate and power propagation equations of the model are solved numerically and the dependence of the gains at 1310, 1470, 1530, 1600, 1650nm windows on fiber length is calculated. The results show that with pump power of 200 mW/200mW, when the concentrations of Pr3+, Tm3+, Er3+ are around 1.7 × 1024, 3.9 × 1024, 1.2 × 1024 (ions/m3), respectively, the signals at 1310, 1470, 1530, 1600, 1650nm may be nearly equally amplified with gain of 13-16.0 dB in the active fiber with length of 23.5m; the co-doping concentrations and fiber length and pump powers may be further optimized to reduce the ripple.
- Subjects
OPTICAL amplifiers; MATHEMATICAL optimization; EFFECT of radiation on lasers; CONCENTRATION functions; DOPED semiconductor superlattices; SEMICONDUCTOR doping; LIGHT sources
- Publication
International Journal of Optics, 2009, p1
- ISSN
1687-9384
- Publication type
Article
- DOI
10.1155/2009/276538