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We identify a hybrid plasmonic slot waveguide capable of millimetre range transport and deep subwavelength nanofocusing by varying slot width. Convenient integration with the SOI platform provides an important bridge between plasmonics and silicon photonics.
We develop a model for silicon-on-insulator microresonators with magnesiothermically-formed porous silicon cladding possessing three-dimensional interconnected pores. Investigation of waveguide design and geometrical parameters indicates an optimized areal mass sensitivity of ∼ 0.2 pm/(pg/mm2).
A dispersion-flattened microresonator based on slot waveguide exhibits great performance improvement of Kerr frequency combs by engineering the 2nd-order dispersion amount and anomalous-dispersion bandwidth with all-order dispersion taken into account.
In this work we report low-loss insulator-metal-insulator plasmonic interconnects using the CMOS-compatible material titanium nitride. The mode profile shows the characteristic exponential decay of the plasmonic regime, with propagation losses as low as 0.79 dB/mm.
We compared different on-chip silicon based absorption sensors for the detection of xylene in water in both near-infrared and mid-infrared with detection limit down to 1ppb. Strip waveguide, slot waveguide and PC-based chip integrated optical absorption spectroscopy devices are compared in near-infrared and mid-infrared. The results provide a route for enhanced sensitivity while retaining device miniaturization.
Triethyl phosphate (TEP), a chemical warfare simulant, has absorption peaks in the mid-infrared. Using a single mode slot wave guide we were able to detect TEP, with a detection limit down to 75 ppm. This provides enhanced sensitivity while simultaneously achieving device miniaturization.
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