We demonstrate 850 nm single-mode vertical-cavity-surface-emitting-lasers (VCSELs) with ring-shaped microcavity. Compared with the reported single-mode VCSELs, larger area of light-emitting aperture, smaller divergence angle of output beam, and lower resistance, have been achieved by our structure.
Single-mode vertical-cavity-surface-emitting-laser (VCSEL) with ring shaped microcavity and low divergence angle performance
2005 Quantum Electronics and Laser Science Conference ; 2 ; 1026-1028 Vol. 2
2005-01-01
1096065 byte
Conference paper
Electronic Resource
English
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