
Optical Fiber Communications 4th Edition by Gerd Keiser
Edition 4ISBN: 978-0073380711
Optical Fiber Communications 4th Edition by Gerd Keiser
Edition 4ISBN: 978-0073380711 Exercise 6
Based on coupled-mode theory, the reflectivity of a fiber grating is given by 36
and
where
and
Here, = -p /= 2 n eff / -p/ , with being the grating period and p an integer. For values of KL = 1, 2, 3, and 4, plot R(L) as a function of L for the range -10 L 10. Note that R max is found by setting = 0.

and

where

and

Here, = -p /= 2 n eff / -p/ , with being the grating period and p an integer. For values of KL = 1, 2, 3, and 4, plot R(L) as a function of L for the range -10 L 10. Note that R max is found by setting = 0.
Explanation
See Bennio...
Optical Fiber Communications 4th Edition by Gerd Keiser
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