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Optical Fiber Telecommunications VA, 5th Edition
book

Optical Fiber Telecommunications VA, 5th Edition

by Ivan Kaminow, Alan E. Willner, Tingye Li
July 2010
Intermediate to advanced content levelIntermediate to advanced
944 pages
34h 12m
English
Academic Press
Content preview from Optical Fiber Telecommunications VA, 5th Edition
impulse response. Ideally, this impulse response is the inverse of the impulse
response that created the ISI, i.e., h
EQ
(t) = F
1
{1/F{h
ISI
(t)}}. To create a tapped
delay line in optics, one can use MZIs. A simple one was demonstrated in [79], and
a more complex one, using lattice filters, was demonstrated in [80].
Figure 9.60 shows a simple OEQ—a two-tap OEQ, with one pre-cursor tap and
one post-cursor tap. Fo r many ISI impairments, it is found that the best time tap
spacing is 0.7 times the bit period of the digital data signal. Two-tap OEQs have
been demonstrated for both 40- and 100-Gb/s signals, correcting modulation
bandwidth limitations, extinction ...
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Publisher Resources

ISBN: 9780123741714