High resolution OTDR based on up-conversion photon-counting module

Matthieu Legré; Robert Thew; Hugo Zbinden; Nicolas Gisin

doi:10.1117/12.722801

High resolution OTDR based on up-conversion photon-counting module

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 6583: 65830C-65830C

Article 2007 English

Abstract

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We implement an OTDR with photon-counting modules at 1550nm based on sum frequency generation in a PPLN waveguide. The narrow temporal response of those detectors allows achieving a 2-points resolution of few centimetres.

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