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Fabrication of single-crystal semiconductor optical waveguides by solid-state diffusion

  • H.F. Taylor
  • , William Eugene Martin
  • , D.B. Hall
  • , V.N. Smiley

Research output: Contribution to journalArticlepeer-review

71 Citations (Scopus)

Abstract

Optical surface waveguides have been fabricated by diffusing selenium into single-crystal CdS substrates to produce graded-composition CdS Se crystals. Planar guides which confine a beam in one dimension and guides produced by masked diffusion capable of two-dimensional beam confinement have been obtained. Evidence of guiding of light from a HeNe laser is provided by photographs and by measurements of spatial intensity profiles. Losses are estimated to be 10-15 dB/cm for one-dimensional guides and 30-40 dB/cm for two-dimensional guides.
Original languageEnglish
Pages (from-to)95-98
Number of pages4
JournalApplied Physics Letters
Volume21
Issue number3
DOIs
Publication statusPublished - 1972

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