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We experimentally demonstrate optical signal processing in silicon ring resonators, including slow-light delay of digital and microwave photonic signals, dense wavelength conversions/multicasting, optical up-conversion, format conversions, temporal differentiation, and bio-sensing.
We propose and demonstrate a novel micrometer-scale optical up-converter for converting 1-Gb/s data to 40-GHz milimeter-wave. This scheme utilizes the free-carrier dispersion effect in a resonance-split silicon microring resonator.
Continuously-tunable slow and fast light is experimentally demonstrated using silicon microring add-drop filter with mutual mode coupling. Pulse delay and advancement can be achieved by thermal tuning at the drop port of the resonator.
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