Optical Fiber Communications 4th Edition by Gerd Keiser

Exercise 26

Following the same line of analysis as in Example 10.10, use 2 × 2 Mach-Zehnder interferometers to design an 8-to-1 multiplexer that can handle a channel separat ion of 25 GHz. Let the shortest wavelength be 1550 nm. Specify the value of L for the 2 × 2 MZIs in each stage.