Optical Fiber Communication

This is an MCQ-based quiz on Optical Fiber Communication.

This includes Photodetector, Amplifier, Equalizer, Index guiding fiber, and Photonic bandgap fiber.

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During the design of FOC system, which among the following reasons is/are responsible for an extrinsic absorption?

Atomic defects in the composition of glass Impurity atoms in glass material Basic constituent atoms of fiber material All of the above

Which among the following is regarded as an inelastic scattering of a photon?

Kerr Effect Raman Effect Hall Effect Miller Effect

Which method determines the dispersion limitation of an optical link?

Link power budget Rise time budget Both a and b None of the above

Which phenomenon causes the dynamic line width broadening under the direct modulation of injection current?

Modal Noise Mode-partition Noise Frequency Chirping Reflection Noise

In Kerr effect, induced index change has its proportionality with respect to _________

Square of electric field

Cube of electric field

Cube root of electric field

One-fourth power of electric field

What causes microscopic bend?

Uniform pressure Non-uniform volume Uniform volume Non-uniform pressure

Which of the following loss occurs inside the fibre?

Radiative loss Scattering Absorption Attenuation

When more than one mode is propagating, how is it dispersed?

Dispersion Inter-modal dispersion Material dispersion Waveguide dispersion

Which of the following has more distortion?

Single step-index fibre Graded index fibre Multimode step-index fibre Glass fibre

What is the other name for a maximum external incident angle?

Optical angle Total internal reflection angle Refraction angle Wave guide acceptance angle

............. are not used nowadays for optical fibre communication system.

Coaxial cable Multimode fibre Single-mode fibre Multimode graded-index fibres

Which of the following can induce a considerable amount of attenuation in optical fibers?

Dispersion Micro-bending Radiation Exposure Diffusion of hydrogen

Which kind of dispersion phenomenon gives rise to pulse spreading in single mode fibers?

Material Intermodal Intramodal None of the above

Which of the following is the width of the range of wavelengths emitted by the light source?

Bandwidth Beamwidth Spectral width Chromatic Dispersion

The wavelength of light has no role in ..........

Reflection Diffraction Interference Polarization

Quiz/Test Summary

Title: Optical Fiber Communication

Questions: 15

Contributed by:

Diego Mon, Mar 28, 2022 01:02 PM UTC

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