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We present the design, fabrication and characterization of a compact and highly sensitive integrated photonic electromagnetic field sensor based on a silicon-organic hybrid modulator driven by a bowtie antenna. Slow-light effects in the electro-optic (EO) polymer refilled silicon slot photonic crystal waveguide (PCW), together with broadband electric field enhancement provided by the bowtie antenna,...
The development of a novel metamaterial enhanced photonic RF receiver is presented. The receiver consists of a D-ring structure designed on an electro-optic LiNbO3 substrate to achieve direct modulation of RF signal into optical sideband. The optimized D-ring design provides strong electric field confinement, thereby resulting in significant improvement in detection sensitivity. Theoretical modeling,...
Optically trapped Rayleigh nanoparticles are used as nanoprobes to map in situ the three-dimensional field distribution of a focused cylindrical vector beam. Intensities calculated from measured trapping energy shows good agreement with numerical simulations.
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