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Search: WFRF:(Pusa P.) > Engineering and Technology

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  • Skagerlund, J., et al. (author)
  • Evaluation of an automatic method to extract the grating coupling coefficient in different types of fabricated DFB lasers
  • 1998
  • In: IEEE Journal of Quantum Electronics. - : Institute of Electrical and Electronics Engineers (IEEE). - 0018-9197 .- 1558-1713. ; 34, s. 141-146
  • Journal article (peer-reviewed)abstract
    • Distributed feedback (DFB) laser parameters such as grating coupling coefficient, effective indices, facet reflectances, and the phases of facet reflectances have been determined using a method based on least-square fitting of theoretical spectra to measured, subthreshold DFB laser emission spectra. The only inputs needed are geometrical parameters such as length, grating period, and internal grating phase shifts. A larger number of devices have been successfully characterized, and consistent results have been obtained in both 1.3- mu;m multi-quantum-well (MQW) DFB lasers with both facets as-cleaved, and in 1.55- mu;m MQW DFB lasers with no, one, or two facets as-cleaved
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Type of publication
journal article (1)
conference paper (1)
Type of content
peer-reviewed (2)
Author/Editor
Schatz, Richard, 196 ... (2)
Wallin, J (2)
Lundqvist, L. (2)
Stoltz, B. (2)
Sahlen, O. (2)
Gillner, L. (2)
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Granestrand, P (2)
Pusa, F. (2)
Skagerlund, J. (2)
Terlecki, J. (2)
Wahlin, F. (2)
Morner, A. -C (2)
Oberg, O. (2)
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University
Royal Institute of Technology (2)
Language
English (2)
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Natural sciences (2)
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