Explore topic-wise MCQs in Optical Communications.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

_____________ results from a case of nonlinear dispersion compensation in which the nonlinear dispersion compensation in which the nonlinear chirp caused by self-phase modulation balances, postpones, the temporal broadening induced by group velocity delay.

A. Four wave mixing
B. Phase modulation
C. Soliton propagation
D. Raman scattering
Answer» D. Raman scattering
Discussion
2.

When three wave components co-propagate at angular frequency w1, w2, w3, then a new wave is generated at frequency w4, which is given by?

A. w4 = w1 w2 w3
B. w4 = w1 + w2 + w3
C. w4 = w1 + w2 w3
D. w4 = w1 w2 + w3
Answer» D. w4 = w1 w2 + w3
Discussion
3.

The beating between light at different frequencies or wavelengths in multichannel fiber transmission causes ________

A. Attenuation
B. Amplitude modulation of channels
C. Phase modulation of channels
D. Loss in transmission
Answer» D. Loss in transmission
Discussion
4.

Self-phase modulation can be used for _____________

A. Enhancing the core diameter
B. Wavelength shifting
C. Decreasing the attenuation
D. Reducing the losses in the fiber
Answer» C. Decreasing the attenuation
Discussion
5.

Self-phase modulation causes modifications to the pulse spectrum.

A. True
B. False
Answer» B. False
Discussion
6.

Nonlinear effects which are defined by the intensity dependent refractive index of the fiber are called as ________

A. Scattering effects
B. Kerr effects
C. Raman effects
D. Tomlinson effects
Answer» C. Raman effects
Discussion
7.

Which thing is more dominant in making a fiber function as a bidirectional optical amplifier?

A. Core material
B. Pump source
C. Cladding material
D. Diameter of fiber
Answer» C. Cladding material
Discussion
8.

The nonlinear effects in optical fibers are large.

A. True
B. False
Answer» C.
Discussion