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- W2913305571 abstract "Heterogeneous silicon photonics is uniquely positioned to address the photonic sensing needs of upcoming autonomous cars and provide the necessary cost reduction for widespread deployment. This is because it allows for wafer-scale active/passive integration, including optical sources. We present our recent research and the development of interferometric optical gyroscopes and LiDAR sensors. More specifically, we show a fully integrated gyroscope front-end occupying an area of only 4.5 mm2. We also show the first dense pitch optical phased array using heterogeneous phase shifters. The 4 µm pitch heterogeneous phase shifters provide very low V2π of only 0.35-1.4 V across 200 nm, low residual amplitude modulation of only 0.1-0.15 dB for 2π phase shift, extremely low static power consumption (<3 nW), and high speed (> 1 GHz). All of these factors make them ideal for next-generation LiDAR systems that employ optical phased arrays." @default.
- W2913305571 created "2019-02-21" @default.
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- W2913305571 date "2019-02-01" @default.
- W2913305571 modified "2023-10-16" @default.
- W2913305571 title "Heterogeneous silicon photonics sensing for autonomous cars [Invited]" @default.
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- W2913305571 doi "https://doi.org/10.1364/oe.27.003642" @default.
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