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Optical amplifier

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

The more advantages optical amplifier is

a)

Fiber amplifier

b)

Semiconductor amplifier

c)

Repeaters

d)

Mode hooping amplifier

2.

________________ cannot be used for wideband amplification

a)

Semiconductor optical amplifier

b)

Erbium-doped fiber amplifier

c)

Raman fiber amplifier

d)

Brillouin fiber amplifier

3.

____________ is used preferably for channel selection in a WDM system.

a)

Semiconductor optical amplifier

b)

Erbium-doped fiber amplifier

c)

Raman fiber amplifier

d)

Brillouin fiber amplifier

4.

For used in single-mode fiber, ___________ are used preferably

a)

Semiconductor optical amplifier

b)

Erbium-doped fiber amplifier

c)

Raman fiber amplifier

d)

Brillouin fiber amplifier

5.

_______________ is superior as compared to _________________

a)

TWA, FPA

b)

FPA, TWA

c)

EDFA, FPA

d)

FPA, EDFA

6.

______________ are operated at current beyond normal lasing threshold current, practically

a)

Semiconductor optical amplifier

b)

Erbium-doped fiber amplifier

c)

Raman fiber amplifier

d)

Brillouin fiber amplifier

7.

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

a)

True

b)

False

8.

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

9.

_______________ 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

10.

____________ 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

11.

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

12.

_______________ 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