Q. Rayleigh scattering and Mie scattering are the types of _____________

View solution

Q. Dominant intrinsic loss mechanism in low absorption window between ultraviolet and infrared absorption tails is ___________

View solution

Q. Rayleigh scattering can be reduced by operating at smallest possible wavelengths.

View solution

Q. The scattering resulting from fiber imperfections like core-cladding RI differences, diameter fluctuations, strains, and bubbles is?

View solution

Q. Mie scattering has in-homogeneities mainly in ___________

View solution

Q. The in-homogeneities in Mie scattering can be reduced by coating of a fiber.

View solution

Q. Raman and Brillouin scattering are usually observed at ___________

View solution

Q. The phonon is a quantum of an elastic wave in a crystal lattice.

View solution

Q. A single-mode optical fiber has an attenuation of 0.3 dB/km when operating at wavelength of 1.1 μm. The fiber core diameter is 4 μm and bandwidth is 500 MHz. Find threshold optical power for stimulated Brillouin scattering.

View solution

Q. 0.4 dB/km, 1.4 μm, 6 μm, 550MHz. Find threshold optical power for stimulated Raman scattering.

View solution

Q. Stimulated Brillouin scattering is mainly a ___________

View solution

Q. High frequency optical phonon is generated in stimulated Raman scattering.

View solution

Q. Stimulated Raman scattering occur in ___________

View solution

Q. Stimulated Raman scattering may have an optical power threshold of may be three orders of magnitude ___________

View solution

Q. What is dispersion in optical fiber communication?

View solution

Q. What does ISI stand for in optical fiber communication?

View solution

Q. For no overlapping of light pulses down on an optical fiber link, the digital bit rate BT must be ___________

View solution

Q. The maximum bit rate that may be obtained on an optical fiber link is 1/3Γ.

View solution

Q. 3 dB optical bandwidth is always ___________ the 3 dB electrical bandwidth.

View solution

Q. A multimode graded index fiber exhibits a total pulse broadening of 0.15 μs over a distance of 16 km. Estimate the maximum possible bandwidth, assuming no intersymbol interference.

View solution