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Conferences > OECC > 2021 > W2D > W2D.1

Detection and compensation of laser frequency noise for high resolution optical sensing

Xiaoyi Bao and Yuan Wang

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Abstract

We propose a real-time laser frequency drift measurement using chirped pulse on ultra-weak FBG grating arrays via direct detection. For chirp rate of 375MHz/30ns, minimum frequency drift of ~340 kHz is detected representing 10-9 frequency resolution.

© 2021 The Author(s)

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