Modelling consideration of praseodymium-doped fiber amplifiers for 1.3μm wavelength applications

To obtain the temperature-sensitive rate equations, a new energy level diagram of Praseodymium ion (Pr3+) in a glass host is modelled. By solving the modified rate equations, an analytical expression is presented to investigate the temperature dependence of the signal gain of a praseodymium-doped fi...

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Bibliographic Details
Published in:Optics communications 2007-01, Vol.269 (1), p.102-106
Main Authors: Berkdemir, Cüneyt, Özsoy, Sedat
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser optical systems: design and operation
Optical fiber amplifiers
Optics
Physics
Praseodymium
Resonators, cavities, amplifiers, arrays, and rings
Temperature-sensitive rate equations
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Summary:To obtain the temperature-sensitive rate equations, a new energy level diagram of Praseodymium ion (Pr3+) in a glass host is modelled. By solving the modified rate equations, an analytical expression is presented to investigate the temperature dependence of the signal gain of a praseodymium-doped fiber amplifier (PDFA). It is seen that a change in the signal gain slightly depends on the variation of the distribution of Pr3+-ions in transitions 3F4↔3F3 with the temperature. Numerical calculations are carried out for the temperature range which is changing from −20 to +60°C. Pr3+-doped ZBLAN fiber amplifier pumped at 1017nm and Pr3+-doped sulfide fiber amplifier pumped at 1028nm are selected as an application for the 1.3μm signal wavelengths. It is also seen that the prediction of the model is in good agrement with their experimental results.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2006.07.054