BCS
UNIT - 3
Multi Channel Systems
Q1) Write a short note on overview of WDM.
Q2) What are the WDM components?
Q3) Explain the performance parameters.
Q4) For a 2x2 fiber coupler input power is 200µW ,throughput power is 90 µW coupled power is 85 µW and cross talk power is 6.3 µW. Compute the performance parameters of the fiber coupler.
Q5) Write a short note on star coupler.
Q6) Write a note on optical isolator and circulator.
Q7) What is Fiber Grating?
Q8) Explain its application in Multiplexing and De-multiplexing.
Q9) Explain diffraction gratings.
Q10) Write a note on Optical Amplifiers.
Q11) Write a short note on the following:
a) SOA b) EDFA c) RFA
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