Assume that for a given tap coupler the throughput and coupled power are 230 and 5 µW, respectively...

Question

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.
	
Document Preview: 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?

Robert · Accepted Answer

Sol: (1)    Given that, 
                         Throughput power
1P 230μW , 
                             Coupled Power 
2P 5μW  
                                    Input Power
iP 250μW  
(a)          Coupling ratio 2
1 2
P
100%
P +P
 
  
 
 
          Coupling ratio
5μW
100%
230μW+5μW
 
  
 

5μW
100%
235μW
1
100%
47
Coupling ratio  2.

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...

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