A comprehensive numerical model based on solving rate equations of a thulium-doped silica-based fiber amplifier is evaluated. The pump power and thulium-doped fiber (TDF) length for single-pass ...
Precious metals play an important role in the chemical industry as catalysts: With the help of silver, platinum, palladium or other elements, chemical reactions can take place that would otherwise ...
Er-doped fibre amplifiers (EDFAs), based on optical fibre doped with erbium ions, are commonly used. However, EDFAs have drawbacks in terms of their relatively large size, high cost, high power ...
Key Laboratory of Opto-Electronics Technology, Beijing University of Technology, Ministry of Education, Beijing, China. This paper is focused on a 940 nm edge type of semiconductor laser, which is ...