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Chalcogenide glass waveguides integrated with quantum cascade lasers for on-chip mid-IR photonic circuits
2010
Optics Letters
Preserved Fulltext
We demonstrate on-chip hybrid integration of chalcogenide glass waveguides and quantum cascade lasers (QCLs). Integration is achieved using an additive solution-casting and molding method to directly form As 2 S 3 strip waveguides on an existing QCL chip. Integrated As 2 S 3 strip waveguides constructed in this manner display strong optical confinement and guiding around 90°bends, with a NA of 0.24 and bend loss of 12:9 dB at a 1 mm radius (λ ¼ 4:8 μm).
doi:10.1364/ol.35.003324
pmid:20967054
fatcat:lgox5trl3zaejnadnkoj3vdcbq