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Gain spectra and current-induced change of refractice index in (In/Al)GaN diode lasers

Schwarz, Ulrich, Sturm, Evi, Wegscheider, Werner, Kümmler, V., Lell, Alfred and Härle, Volker (2003) Gain spectra and current-induced change of refractice index in (In/Al)GaN diode lasers. physica status solidi a 200 (1), pp. 143-146.

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Abstract

Adapting the Hakki-Paoli method for blue laser diodes we measure gain spectra for (In/Al)GaN on SiC substrate laser diodes in the low carrier density regime. From the measured longitudinal mode spacing we calculate the effective refractive index and can exclude a mode spacing anomaly. We demonstrate that the substrate has a considerable influence on the modal gain.


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Item type:Article
Date:October 2003
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1002/pssa.200303340DOI
Classification:
NotationType
42.55.Px; 42.60.Lh; 78.30.FsPACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:12756
Owner only: item control page

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