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1. Assume that for a given tap coupler the throughput and coupled power are 230 and 5 µW, respectively for an input power of 250 µW

a) What is the coupling ratio
b) What are the insertion losses
c) Find the excess loss of the coupler

2- DWDM optical transmission system is designed to have 100-GHz channel spacings. how many wavelength channels can be utilized in the 1536 to 1556 nm spectral band?

Electrical & Electronics, Engineering

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