Low-Stress silicon nitride platform for broadband mid-infrared microphotonics
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We experimentally demonstrate a sophisticated mid-IR microphotonics platform adopting engineered Si-rich and low-stress silicon nitride (SiNx) thin films where an extensive infrared transparency up to = 8.5 m is achieved. Furthermore, because of the designed lowstress property, the SiNx deposition is able to reach a thickness > 2 m that significantly reduces mid-IR waveguide loss to less than 0.2 dB/cm. We show directional couplers functioning over a broad infrared spectrum, thus enabling monolithic mid-IR multiplexing schemes for integrated linear and nonlinear photonics leading to sophisticated label-free sensing technologies. CLEO:2014 2014 OSA.
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author list (cited authors)
Lin, P. T., Singh, V., Lin, H., Tiwald, T., Kimerling, L. C., & Agarwal, A. M.
complete list of authors
Lin, PT||Singh, V||Lin, HYG||Tiwald, T||Kimerling, LC||Agarwal, AM