Question 1) What is an optical fibre repeating system?
Question 2) Write down the advantages of cladding on a fibre?
Question 3) What do you understand by V-parameter? Write the expression for the same.
Question 4) Describe how a mode coupling can occur?
Question 5) Explain the basic attenuation mechanisms?
Question 6) What are the direct band gap and indirect band gap semiconductors?
Question 7) Explain the operation of pn junction diode on physical basis with reference to the formation of barriers potential and depletion layer.
Question 8) What do you mean by absorption, spontaneous emission and stimulated emission in a two level energy system?
Question 9) How is the population inversion accomplished in semiconductor and non-semiconductor layer?
Question 10) Write down the difference between connector and splice?
Question 11) What do you understand by dispersion? How do we reduce dispersion using dispersion compensating fibre?
Question 12) Describe the operation of Avalanche photodiode with the help of essential diagram.