Spatially resolved measurement of chromatic dispersion and Brillouin shift along single-mode optical fibers

Miguel Gonzalez Herraez; Luc Thevenaz

doi:10.1117/12.566638

9 June 2004 Spatially resolved measurement of chromatic dispersion and Brillouin shift along single-mode optical fibers

Miguel Gonzalez Herraez, Luc Thevenaz

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566638
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

Abstract

We present a new technique for simultaneous measurement of chromatic dispersion and Brillouin shift distribution along conventional, single-mode optical fibers used in telecommunications. It is based on performing Brillouin Optical Time Domain Analysis (BOTDA) over the four-wave mixing generated by two low-power pumps (< 10 mW). Unlike others, this technique can measure any arbitrary value of dispersion. With the use of this technique we have obtained consistent, high-resolution and low-noise measurements for both magnitudes. Our measurements indicate a certain correlation betwen the spatial distribution of both quantities, although the degree of correlation varies for the different manufacturers tested.

Citation Download Citation

Miguel Gonzalez Herraez and Luc Thevenaz "Spatially resolved measurement of chromatic dispersion and Brillouin shift along single-mode optical fibers", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566638

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