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Optoelectronic properties of silicon microspheres are explored. The IV characteristics show an electrical response similar to two back-to-back Schottky diodes. Optical resonances with Q-factors of 105 are observable in the elastic scattering spectra.
We demonstrate an optical filter based on the resonances of a silicon microsphere in the near-IR O-Band. The 1300 nm laser light is coupled to the silicon microsphere and optical resonances are observed as dips in the transmission spectrum.
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