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Summary: Mid-infrared characterization of solution-
processed As2S3 chalcogenide glass waveguides
Candice Tsay,1
Elvis Mujagi,1,2
Christi K. Madsen,3
Claire F. Gmachl,1
and Craig B. Arnold1,4,*
1
Department of Electrical Engineering, Princeton University, Princeton, NJ 08544 USA
2
Institute for Solid State Electronics, Vienna University of Technology, 1040 Vienna, Austria
3
Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843 USA
4
Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544 USA
*cbarnold@princeton.edu
Abstract: An etch-free and cost-effective deposition and patterning method
to fabricate mid-infrared chalcogenide glass waveguides for chemical
sensing applications is introduced. As2S3 raised strip optical waveguides are
produced by casting a liquid solution of As2S3 glass in capillary channel
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