Distributed measurement of chromatic dispersion by four-wave mixing and Brillouin optical-time-domain analysis

A new nondestructive method for measuring the spatial distribution of chromatic dispersion along an optical fiber is presented. It is based on using Brillouin optical time-domain analysis to probe the power distribution of the four-wave mixing generated by two continuous-wave lasers. The results obtained prove that this new method is capable of providing better performance than comparable techniques. Furthermore, sensing the variations of Brillouin gain maximum produces additional information about the fiber, such as presence of strain and concentration of GeO2. © 2003 Optical Society of America.


Published in:
Optics Letters, 28, 22, 2210-2212
Year:
2003
Publisher:
Optical Society of America
ISSN:
0146-9592
Keywords:
Note:
Metrology and Photonics Laboratory, Ecl. Polytech. Fed. de Lausanne, CH-1015, Lausanne, Switzerland, Compilation and indexing terms, Copyright 2008 Elsevier Inc., 03487758642, 0146-9592, Chromatic dispersion (CD)
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 Record created 2008-09-29, last modified 2018-03-18

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