Abstract

A correlation between the spectral output of 1.3 μm InGaAsP semiconductor diode lasers and the distribution along the length and width of the active region of strain and scattering centers is reported. The strain and scattering center distributions in the active region were obtained by measuring and analyzing the spatially resolved and polarization resolved electroluminescence along the active region of the lasers. Measurements were made on gain-guided, planar buried heterostructure, and arrowhead buried crescent lasers. The results suggest that the material properties of the laser structure affect the longitudinal mode spectrum.

© 1991 Optical Society of America

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