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Optical Fiber Communication Systems with MATLAB® and Simulink® Models, 2nd Edition
book

Optical Fiber Communication Systems with MATLAB® and Simulink® Models, 2nd Edition

by Le Nguyen Binh
December 2014
Intermediate to advanced content levelIntermediate to advanced
899 pages
32h 28m
English
CRC Press
Content preview from Optical Fiber Communication Systems with MATLAB® and Simulink® Models, 2nd Edition
70 Optical Fiber Communication Systems with MATLAB
®
and Simulink
®
Models
where Δτ is the total pulse broadening. Over the length L, the total dispersion D
T
(λ) = M(λ) +
D
w
(λ) and a source linewidth σ
λ
the criterion becomes
B L D
r T
≤σ
λ
1.
(3.38)
For a total dispersion factor of 1 ps/(nm · km) and a semiconductor laser of line
width of 2–4nm, the bit rate-length product cannot exceed 100 Gb/s · km. That is, if a
100km transmission distance is used then the bit rate cannot be higher than 1.0 Gb/s
(Figures 3.13 and 3.14).
g(t) 1
T
0
T
0
t
1
2
= 0.606
e
g(t) = e
G(f )
f
f
bw
=
1
T
0
1
T
0
1
T
0
=G( f )
T
0
e
r
2
2T
2
0
(2πf )
2
2
T
2
0
FIGURE 3.12
Fiber resp ...
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Publisher Resources

ISBN: 9781482217513