Soliton-induced mid-infrared dispersive wave in horizontally-slotted Si<sub>3</sub>N<sub>4</sub> waveguide
نویسندگان
چکیده
The flexibility of producing two dispersive waves (DWs) in silicon nitride (Si3N4) slot waveguide is demonstrated, by tailoring the features and corresponding phase-matching condition. DWs are generated at visible mid-infrared (mid-IR) wavelength regions, respectively. We obtain a broadband low normal dispersion region from 2 to 5.25 μm, which offers particular advantages for DW generation mid-IR region. long-wave wave (LWDW) can cover beyond 4 μm. This first time illustrate freedom Si3N4 ever reported. A spectrum be extended 0.5 4.5 μm -30 dB level launching 1-kW 1550-nm hyperbolic secant input pump pulse 1-cm proposed waveguide. newly formed has high degree coherence. approach provides more frequency conversion, biophotonics, optical sensing, chip-integrated spectroscopy, health environmental monitoring.
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ژورنال
عنوان ژورنال: IEEE Access
سال: 2022
ISSN: ['2169-3536']
DOI: https://doi.org/10.1109/access.2022.3182219