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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
OEQ section. Figure 9.67 shows more details of this OEQ. This design has only
1 2 and 2 1 couplers , and thus, according to the Flat-Top Filter Construction
Theorem, it has intrinsic loss when used as a TODC.
Parallel Arrangement: Another way to construct a tapped delay line is to use
a parallel arrangement of waveguides of different lengths and is called a transversal
filter. An example in silica is shown in Figure 9.68 [92], and an example in InP is
shown in Figure 9.69 [93]. Again, because transversal filters contain only 1 N or
N 1 couplers, they have intrinsic loss when used as TODCs. The intrinsic loss
Time
Power
Control magnitude of post-cursor ...
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Publisher Resources

ISBN: 9780123741714