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  Indian J Med Microbiol
 

Figure 10: Simulated wavelength response of a 2-stage MZI when the second differential delay line of magnitude λ/2neff is inserted in the upper arm; the splitting ratios of the couplers K1, K2, and K3, are 50:50, 32:68, and 96:4, respectively.

Figure 10: Simulated wavelength response of a 2-stage MZI when the second differential delay line of magnitude λ/2n<sub>eff</sub> is inserted in the upper arm; the splitting ratios of the couplers K<sub>1</sub>, K<sub>2</sub>, and K<sub>3</sub>, are 50:50, 32:68, and 96:4, respectively.