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We show that subwavelength silicon-rich nitride waveguides efficiently sustain high-speed transmissions at 2 $mu$m. We report the transmission of a 10 Gbit/s signal over 3.5 cm with negligible power penalty. Parametric conversion in the pulsed pump regime is also demonstrated using the same waveguide structure with an efficiency as high as -18 dB.
A fast silicon-graphene hybrid plasmonic waveguide photodetectors beyond 1.55 {mu}m is proposed and realized by introducing an ultra-thin wide silicon-on-insulator ridge core region with a narrow metal cap. With this novel design, the light absorptio
Optical isolators and circulators are indispensable for photonic integrated circuits (PICs). Despite of significant progress in silicon-on-insulator (SOI) platforms, integrated optical isolators and circulators have been rarely reported on silicon ni
A novel technique is presented for realising programmable silicon photonic circuits. Once the proposed photonic circuit is programmed, its routing is retained without the need for additional power consumption. This technology enables a uniform multi-
We demonstrate a silicon nitride trench waveguide deposited with bowtie antennas for plasmonic enhanced optical trapping. The sub-micron silicon nitride trench waveguides were fabricated with conventional optical lithography in a low cost manner. The
Silicon photonics is being extended from the near-infrared (near-IR) window of 1.3-1.5 {mu}m for optical fiber communications to the mid-infrared (mid-IR) wavelength-band of 2 {mu}m or longer for satisfying the increasing demands in many applications