Abstract
We have analyzed the cross-talk noise as affected by the wavelength spread that
is due to the spectral width of the light source in a wavelength-multiplexed
reflection-type photorefractive fiber hologram. The spectral bandwidth of each
multiplexed channel limited by the cross-talk noise is discussed. The
signal-to-noise (cross-talk) ratio is analyzed, whereby we have shown that this
ratio is sensitive to the separation between adjacent multiplexed channels and
to the spectral width of the light source. The cross-talk-limited storage
capacity for practical photorefractive fibers is evaluated.
© 1993 Optical Society of America
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