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Photo-induced refractive index change of amorphous tin-doped As2S8 films and its application to strip waveguide fabrication.
- Source :
- Journal of Applied Physics; May2009, Vol. 105 Issue 9, p094501-094505, 4p, 1 Black and White Photograph, 7 Graphs
- Publication Year :
- 2009
-
Abstract
- The amorphous chalcogenide glass Sn<subscript>1</subscript>As<subscript>20</subscript>S<subscript>79</subscript> is demonstrated to undergo permanent changes in refractive index on irradiation with ultraviolet light. The refractive properties of this material and the effect of annealing at temperatures below the glass transition temperature are investigated in detail. An Sn<subscript>1</subscript>As<subscript>20</subscript>S<subscript>79</subscript> strip waveguide is fabricated using this photoinduced refractive index change, and the device is shown to function as expected with good propagation characteristics for the 632.8 nm guided mode. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 105
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 39786139
- Full Text :
- https://doi.org/10.1063/1.3120864