Explore topic-wise MCQs in Optical Communication.

This section includes 25 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication 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. 34.89
B. 19.15
C. 18.22
D. 16.11
Answer» D. 16.11
Discussion
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
Discussion
3.

In _____________ Rayleigh scattering can be reduced.

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

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.
Discussion
5.

_____________ 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
Discussion
6.

_______________ 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.
Discussion
7.

_________ 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.
Discussion
8.

____________ uses Er3+-doped erbium glass.

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Brillouin fiber amplifier
Answer» B. Rare-earth-doped fiber amplifiers
Discussion
9.

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

A. True
B. False
Answer» C.
Discussion
10.

The spectral dependence on gain is always constant.

A. True
B. False
Answer» C.
Discussion
11.

________________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.
Discussion
12.

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.
Discussion
13.

______________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
Discussion
14.

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
Discussion
15.

Compute signal power for parametric amplifier having length of 500, nonlinear gain coefficient 12.6√ó10-3 W-1km-1and 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
Discussion
16.

Compute the fiber nonlinear coefficient of a parametric optical amplifier having parametric peak gain of 63.6 dB, signal power of 1.6W, length 520.

A. 2.78√ó10<sup>-2</sup> W<sup>-1</sup>km<sup>-1</sup>
B. 9.61√ó10<sup>-3</sup> W<sup>-1</sup>km<sup>-1</sup>
C. 3.25√ó10<sup>-3</sup> W<sup>-1</sup>km<sup>-1</sup>
D. 5.61√ó10<sup>-4</sup> W<sup>-1</sup>km<sup>-1</sup>
Answer» C. 3.25‚Äö√†√∂‚àö‚â•10<sup>-3</sup> W<sup>-1</sup>km<sup>-1</sup>
Discussion
17.

In _____________ Rayleigh scattering can be reduced.

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Distributed Raman amplification
Answer» E.
Discussion
18.

_________ 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.
Discussion
19.

The most advantageous amplification is ____________

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Brillouin fiber amplifier
Answer» D. Brillouin fiber amplifier
Discussion
20.

____________ uses Er3+-doped erbium glass.

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Brillouin fiber amplifier
Answer» B. Rare-earth-doped fiber amplifiers
Discussion
21.

_______________ is constructed using erbium-doped glass.

A. An erbium-based micro fiber amplifier
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Brillouin fiber amplifier
Answer» B. Rare-earth-doped fiber amplifiers
Discussion
22.

It is possible to construct a single rare-earth-doped fiber amplifier which provides amplification for all-bands. State whether the given statement is true or false.

A. True
B. False
Answer» C.
Discussion
23.

Signal amplification is obtained in ____________

A. Erbium-doped fluoro-zir-carbonate fiber multimode
B. Rare-earth-doped fiber amplifiers
C. Raman fiber systems
D. Brillouin fiber amplifier
Answer» B. Rare-earth-doped fiber amplifiers
Discussion
24.

ESA ________ the pumping efficiency of device.

A. Increases
B. Does not affects
C. Reduces
D. Has negligible effect on
Answer» D. Has negligible effect on
Discussion
25.

The spectral dependence on gain is always constant. State whether the given statement is true or false.

A. True
B. False
Answer» C.
Discussion