Effects of random phase and amplitude errors in optical fiber Bragg gratings

This paper studies the influence of random phase and amplitude fabrication errors on the performance of optical filters based on fiber Bragg gratings (FBG's). In particular, we analyze two effects of particular importance for optical communications: the excess crosstalk induced in apodized grat...

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Bibliographic Details
Published in:Journal of lightwave technology 2000-01, Vol.18 (1), p.90-101
Main Authors: Feced, R., Zervas, M.N.
Format: Article
Language:English
Subjects:
Amplitudes
Applied sciences
Bragg gratings
Chirp
Circuit properties
Crosstalk
Diffraction gratings
Dispersions
Electric, optical and optoelectronic circuits
Electronics
Error analysis
Exact sciences and technology
Fiber gratings
Fluctuation
Fluctuations
Gratings (spectra)
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical device fabrication
Optical fiber communication
Optical fibers
Optical filters
Wavelength division multiplexing
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Summary:This paper studies the influence of random phase and amplitude fabrication errors on the performance of optical filters based on fiber Bragg gratings (FBG's). In particular, we analyze two effects of particular importance for optical communications: the excess crosstalk induced in apodized gratings commonly used in wavelength-division-multiplexing (WDM) systems, and the time-delay fluctuations that appear in chirped gratings employed to compensate the fiber dispersion. A statistical model is presented to explain these effects in terms of the coherence length of the grating fabrication procedure.
ISSN:0733-8724
1558-2213
DOI:10.1109/50.818912