Determination of internal loss and quasi-fermi level separation from the amplified spontaneous emission (ASE) spectrum of Fabry-Perot (FP) semiconductor lasers
Item Type:Journal Article
Citation:W. H. Guo, D. Byrne, Q. Y. Lu, R. Phelan, J. F. Donegan, and B. Corbett. 'Determination of internal loss and quasi-fermi level separation from the amplified spontaneous emission (ASE) spectrum of Fabry-Perot (FP) semiconductor lasers' in Photonics Technology Letters, 18, (18), 2006, pp. 1910 - 1912 .
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The net modal gain and the un-amplified spontaneous emission (ASE) coupled into the laser waveguide mode are extracted from the ASE spectrum of Fabry?PErot semiconductor lasers by the Fourier transform method with a deconvolution process. Highly accurate quasi-Fermi level separation and internal loss are then derived by a minimum search process from the relationship between the spontaneous emission and gain.
Science Foundation Ireland
Author: DONEGAN, JOHN FRANCIS
Type of material:Journal Article
Availability:Full text available