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.

Compute the gain of parametric amplifier having signal power of 1.6W, length of 500, non-linear coefficient of 10.19 * 10-3W-1km-1.

A. 34.890
B. 19.15
C. 18.22
D. 16.11
Answer» D. 16.11
2.

Compute signal power for parametric amplifier having length of 500, nonlinear gain coefficient 12.6 10-3 W-1km-1 and parametric peak gain of 63.9 dB.

A. 0.245 W
B. 0.012 W
C. 0.19 W
D. 0.342 W
Answer» C. 0.19 W
3.

In ___________ the ASE contributes most of noise.

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Distributed Raman amplification
Answer» E.
4.

_____________ are called hybrid Raman amplifier.

A. Lumped and distributed Raman Amplifiers
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Distributed Raman amplification
Answer» B. Rare-earth-doped fiber amplifiers
5.

_______________ extends the pump power into transmission line fiber.

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Distributed Raman amplification
Answer» E.
6.

_________ is also known as lump Raman amplifiers.

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Discrete Raman amplifiers
Answer» E.
7.

It is possible to construct a single rare-earth-doped fiber amplifier which provides amplification for all-bands.

A. True
B. False
Answer» C.
8.

The spectral dependence on gain is always constant.

A. True
B. False
Answer» C.