High-efficiency superluminescent diodes for optical-fibre transmission

M. C. Amann, J. Boeck

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


A remarkable improvement of external efficiency is achieved in double-heterojunction GaAs-GaAlAs superluminescent diodes (d.h. s.l.d.s) by application of antireflective coatings on the front face. The external differential quantum efficiency of 750–1500 µm long s.l.d.s increased from 1·2% to 4·5% (n.a. = 0·7) after coating the front face with a quarter-wavelength silicon-monoxide film.

Original languageEnglish
Pages (from-to)41-42
Number of pages2
JournalElectronics Letters
Issue number2
StatePublished - 8 Jan 1979
Externally publishedYes


  • Light-emitting diodes
  • Optical communication


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