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Compact RF photonic notch filter based on heterogeneous integration of As2S3 with active silicon photonic circuits

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Abstract

We heterogeneously integrate As2S3 Brillouin waveguides and Si modulators, enabling a compact chip-based RF photonic filter with 50 dB rejection. This level of photonic integration facilitates novel on-chip processing, increasing RF gain by 16 dB.

© 2023 The Author(s)

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