Write briefly:
Question 1) Write down the difference between material and waveguide dispersion?
Question 2) Write down the advantages of optical communication.
Question 3) Explain the principle of operation of laser?
Question 4) Explain some important modulation formats.
Question 5) What is stimulated Raman scattering?
Question 6) Compute to express a channel spacing of 0.4 nm in terms of frequency.
Question 7) What do you mean by zero-dispersion wavelength?
Question 8) Distinguish conventional and dispersion shifted fibers and dispersion flattened fibers.
Question 9) Write down the difference between 60 dBm and 60 dBm in watts.
Question 10) What is the source of generation of FWM?