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Optical Amplifier - Optical Communications MCQs

Optical Amplifier MCQs : This section focuses on the "Optical Amplifier" in Optical Communications. These Multiple Choice Questions (MCQs) should be practiced to improve the Optical Communications skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

An _________ is a device that amplifies an optical signal directly

A. Optical Wavelength
B. Optical Amplifier
C. Optical Regeneration
D. Photonics

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Question 2

DFAs stands for?

A. Dual fiber amplifiers
B. Double fiber amplifiers
C. Doped fiber amplifiers
D. Dopant fiber amplifiers

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Question 3

Noise figure in an ideal DFA is?

A. 1 dB
B. 2 dB
C. 3 dB
D. 4 dB

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Question 4

How many types of Raman amplifier there?

A. 1
B. 2
C. 3
D. 4

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Question 5

Solid-state amplifiers are optical amplifiers that uses a wide range of doped solid-state materials

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 6

The more advantages optical amplifier is ____________

A. Fiber amplifier
B. Repeaters
C. Mode hooping amplifier
D. Semiconductor amplifier

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Question 7

________________ cannot be used for wideband amplification.

A. Semiconductor optical amplifier
B. Erbium-doped fiber amplifier
C. Raman fiber amplifier
D. Brillouin fiber amplifier

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Question 8

Signal amplification is obtained in ____________

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

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Question 9

The most advantageous amplification is ____________

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

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Question 10

Optical amplifiers are important in optical communication and laser physics.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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