Nondestructive position-resolved measurement of the zero-dispersion wavelength in an optical fiber

We describe a new technique for mapping the distribution of the zero-dispersion wavelength in a span of optical fiber. With this technique, which is based on four-wave mixing of short pulses, we obtained a spectral accuracy of /spl plusmn/0.2 nm and a spatial resolution of 700 m. Theoretical analysi...

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Bibliographic Details
Published in:Journal of lightwave technology 1997-01, Vol.15 (1), p.135-143
Main Authors: Eiselt, M., Jopson, R.M., Stolen, R.H.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fiber nonlinear optics
Four-wave mixing
Frequency
Integrated optics. Optical fibers and wave guides
Nonlinear distortion
Optical and optoelectronic circuits
Optical distortion
Optical fiber dispersion
Optical fibers
Position measurement
Spatial resolution
Wavelength measurement
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Description
Summary:We describe a new technique for mapping the distribution of the zero-dispersion wavelength in a span of optical fiber. With this technique, which is based on four-wave mixing of short pulses, we obtained a spectral accuracy of /spl plusmn/0.2 nm and a spatial resolution of 700 m. Theoretical analysis agrees well with experimental results and points to an order of magnitude improvement in spatial resolution using shorter pulses. Spatial resolutions less than 100 m may be necessary because we find, by destructive measurements, variations in lambda-zero by as much as 0.5 nm over spans of 500 m.
ISSN:0733-8724
1558-2213
DOI:10.1109/50.552121