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Optica Publishing Group
  • CLEO/Europe and IQEC 2007 Conference Digest
  • (Optica Publishing Group, 2007),
  • paper CB7_5

Frequency- and polarization-selective feedback control of broad-area VCSELs

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Abstract

The prominence of Vertical-Cavity Surface-Emitting Lasers (VCSELs) in the semiconductor laser industry can be attributed to some advantageous emission properties, such as single longitudinal-mode emission and almost circular output beams. To achieve high output powers, large aperture VCSELs have been developed, but they generally exhibit multi-transverse-mode and multi-polarization emission, which deteriorates their spectral properties. The ultimate goal is therefore to control the emission properties of such VCSELs.

© 2007 IEEE

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