Electromagnetic Theory Waveguides and Guided Waves Optical Fiber

A 2-km-length multimode fiber has a modal dispersion of 1 ns/km and a chromatic dispersion of 100 ps/km.nm. If it is used with an LED of linewidth 40 nm then the total dispersion is _____ nano seconds

1

8.2 ns

2

1 ns

3

10 ns

4

4 ns

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