3 December 2005 The contour of buried channel waveguide by Tl+-Na+ exchange
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Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 601934 (2005) https://doi.org/10.1117/12.626235
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China
Abstract
A detailed theoretical and experimental study of the buried waveguide contour, which depends on exchange time and window width by Tl+-Na+ exchange techniques, is reported. Modeling, which includes the effect of ion-exchange time and window width, agrees well with our experiments showing that a buried waveguide contour depends on the relation of τ = square root of Defft and W/2. The same index profile is formed a curve in the interference fringes, and the refractive index profile is a semicircular or semielliptical in waveguide. These results may be used in the proper design of integrated optical circuits and self-focus microlens that need the semicircular or semielliptical waveguides at different sections, such as optical power splitters, diffractive waveguide gratings, and so on.
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Zigang Zhou, Zigang Zhou, Shuwen Huang, Shuwen Huang, Beichuan Li, Beichuan Li, } "The contour of buried channel waveguide by Tl+-Na+ exchange", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601934 (3 December 2005); doi: 10.1117/12.626235; https://doi.org/10.1117/12.626235
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