High resolution optical time domain reflectometer based on 1.55um up-conversion photon-counting module

Details High resolution optical time domain reflectometer based on 1.55um up-conversion photon-counting module High resolution optical time domain reflectometer based on 1.55um up-conversion photon-counting module

2008-02-14

arxiv.org/abs/0802.1921v1

Opt. Exp., Vol. 15, No. 13, 8237 (2007)

Physics

Quantum Physics

6 pages, 4 figures

Scientific paper

10.1364/OE.15.008237

We implement a photon-counting Optical Time Domain Reflectometer (OTDR) at 1.55um which exhibits a high 2-point resolution and a high accuracy. It is based on a low temporal-jitter photon-counting module at 1.55um. This detector is composed of a periodically poled Lithium niobate (PPLN) waveguide, which provides a wavelength conversion from near infrared to visible light, and a low jitter silicon photon-counting detector. With this apparatus, we obtain centimetre resolution over a measurement range of tens of kilometres.

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