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Investigation of linewidth and side-mode suppression for a DBR laser with integrated passive waveguide

Authors
  • Meissner, P.
  • Patzak, E.
Publication Date
Jan 01, 1986
Source
Fraunhofer-ePrints
Keywords
Language
English
License
Unknown
External links

Abstract

A semiconductor laser device consisting of an active part monolithically integrated with a passive waveguide and a DBR grating is theoretically investigated. It is shown that for a 2 mm-long device a linewidth below 4 MHz can be achieved. The linewidth does not exceed this value even if the lasing frequency is tuned by several gigahertz. The side-mode suppression remains larger than 30 dB.

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