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Applied Optics

Applied Optics


  • Vol. 22, Iss. 15 — Aug. 1, 1983
  • pp: 2337–2343

Launching light from semiconductor lasers into plane-ended multimode optical fibers

Harish R. D. Sunak and Marlete A. Zamprônio  »View Author Affiliations

Applied Optics, Vol. 22, Issue 15, pp. 2337-2343 (1983)

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A systematic and detailed study of launching light from semiconductor lasers into plane-ended multimode optical fibers has been carried out—we believe for the first time. Three different semiconductor lasers and four multimode fibers having numerical apertures in the 0.16–0.40 range were used. Simple theoretical models developed for the launching efficiency η give good agreement with experimental results. We show how erroneous results can be obtained when considering only the stimulated emission of the lasers in calculating η. The dependence of η on axial, lateral, and angular misalignments is also investigated and explained qualitatively with ray optics.

© 1983 Optical Society of America

Original Manuscript: October 8, 1982
Published: August 1, 1983

Harish R. D. Sunak and Marlete A. Zamprônio, "Launching light from semiconductor lasers into plane-ended multimode optical fibers," Appl. Opt. 22, 2337-2343 (1983)

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