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Conferences > CLEO > 1992 > CWN > CWN7
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper CWN7

Monolithic 2-D surface-emitting arrays of AlGaAs horizontal-cavity diode lasers with etched facets and external parabolic deflecting mirrors

J. P. Donnelly, R. J. Bailey, W. D. Goodhue, C. A. Wang, G. A. Lincoln, and G. D. Johnson

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Abstract

Monolithic 2-D arrays of surface-emitting lasers have several potential advantages over stacked linear arrays of cleaved-facet edge-emitting lasers. However, substantial improvements are needed for the performance of surface- emitting arrays to rival that of stacked arrays. Recently, low threshold current densities (Jch = 160 A/cm2) and significantly improved external differential quantum efficiencies (ηa = 56%) have been reported for arrays of surface-emitting strained-layer lasers with internal 45° cavity-folding mirrors.’

© 1992 Optical Society of America

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