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

Schwarz, Ulrich and Sturm, Evi and Wegscheider, Werner and Kümmler, V. and 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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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:
42.55.Px; 42.60.Lh; 78.30.FsPACS
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Deposited on:08 Feb 2010 13:45
Last modified:13 Mar 2014 12:50
Item ID:12756
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