Optimal Probing Sequences for Polarization-Multiplexed Coherent Phase OTDR

Christian Dorize; Elie Awwad; Elie Awwad; Sterenn Guerrier; Jérémie Renaudier

doi:10.1364/OFS.2020.T3.23

Optical Fiber Sensors Conference 2020 Special Edition
OSA Technical Digest (Optica Publishing Group, 2020),
paper T3.23
•https://doi.org/10.1364/OFS.2020.T3.23

Optimal Probing Sequences for Polarization-Multiplexed Coherent Phase OTDR

Christian Dorize, Elie Awwad, Sterenn Guerrier, and Jérémie Renaudier

Optical Fiber Sensors 2020

Washington, DC United States
8–12 June 2020
ISBN: 978-1-55752-307-5

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Poster Session I (T3)

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C. Dorize, E. Awwad, S. Guerrier, and J. Renaudier, "Optimal Probing Sequences for Polarization-Multiplexed Coherent Phase OTDR," in Optical Fiber Sensors Conference 2020 Special Edition, G. Cranch, A. Wang, M. Digonnet, and P. Dragic, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper T3.23.

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Abstract

We introduce dual-polarization probing codes based on two circularly shifted frequency sweep signals enabling perfect channel estimation. This is achieved with a probing length equal to at least twice the fiber round-trip propagation time.

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