Phase Noise Induced Interference for Coherently-Detected OTDR Systems

Zexu Liu,Weiqi Lu,Lei Liu,William Shieh

2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM)（2023）

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摘要

In coherently-detected OTDR system, the phase noise induced interference (PNII) are investigated. For the first time, an analytical expression for the PNII is obtained for COTDR. Numerical simulation is also carried out to verify the theoretical results.

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关键词

Phase noise,COTDR

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