
Project Type MQP Submission date 2009-05-01 Authors Andrew John Miskowiec, PH Thomas Max Roberts, PH URN E-project-050109-012445 Title Limitations on Gain in Rare-Earth Doped Fiber Amplifiers due to Amplified Spontaneous Emission Advisor Quimby, Richard S., PH Availability unrestricted Abstract
The purpose of this project was to develop a numerical model in
MATLAB of the limitation on signal gain in ytterbium and
neodymium doped fiber amplifiers due to amplified spontaneous
emission (ASE). It was shown that significant signal gain was
achievable in ytterbium devices near 1023 nm despite the ASE
limitation. Furthermore, without the inclusion of diffraction
gratings to limit ASE near 1060 nm, it was shown to be
impossible to obtain significant gain in the 1400 nm range for
neodymium doped devices. Other possible signal wavelengths
for these dopants were also investigated. Validity of the
Equivalent Bandwidth approximation method was also
examined, proving to be sufficient in several applications, but in
some cases generally misrepresenting the spectra significantly.
Files Final_Paper.pdf There is one file which has been withheld at the advisor's request.
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