Fabrication of single‐crystal semiconductor optical waveguides by solid‐state diffusion
作者:
H.F. Taylor,
W.E. Martin,
D.B. Hall,
V.N. Smiley,
期刊:
Applied Physics Letters
(AIP Available online 1972)
卷期:
Volume 21,
issue 3
页码: 95-98
ISSN:0003-6951
年代: 1972
DOI:10.1063/1.1654305
出版商: AIP
数据来源: AIP
摘要:
Optical surface waveguides have been fabricated by diffusing selenium into single‐crystal CdS substrates to produce graded‐composition CdSxSe1−xcrystals. 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.
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