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On-Chip Silicon Electro-Optical Modulator with Ultra-high Extinction Ratio for Distributed Optical Fiber Sensing

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Abstract

An ultra-high Extinction Ratio of 60-dB on-chip electro-optical modulator based on silicon serially-coupled micro-ring structure is reported and successfully applied in a fiber-optic distributed acoustic sensing system for the first time, achieving pico-strain level sensitivity.

© 2023 The Author(s)

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