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Electro-optic modulation is a key function in optical data communication and possible future optical computing engines. The performance of modulators intricately depends on the interaction between the actively modulated material and the propagating waveguide mode. While high-performing modulators were demonstrated before, the approaches were taken as ad-hoc. Here we show the first systematic investigation...
We demonstrate the design, fabrication and characterization of plasmonic enhanced silicon photo-detector for infrared light. Theoretical model, experimental results and comparison between different geometric configurations will be presented and discussed.
We demonstrate the detection of subbandgap light in silicon nano pyramid using the process of internal photoemission in Schottky diode. The quantum efficiency is enhanced by using metal coated silicon nano pyramids.
We demonstrate a linearized ring assisted Mach-Zehnder interferometer (L-RAMZI) modulator in a miniature silicon device. We measure a high degree of linearization, with a Spurious Free Dynamic Range (SFDR) of 105 dB/Hz2/3 at 1GHz.
We show that 20 microresonators collectively behave as a single resonance and are controllable with a single voltage signal, thereby exploiting the inherent variability of microresonators enabling multi-ring Balanced SCISSOR devices with two drive signals.
We demonstrate a tunable-delay of 154ps of a 130GHz bandwidth RF signal using silicon microresonators. To delay such high bandwidth without distortion, we delay an equivalent signal with a much smaller bandwidth (20GHz single sideband) while preserving the original signal's phase.
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