WorksheetsMTI/OFC/MOD3/28.10.2020
Total questions: 9
Worksheet time: 5mins
In Stimulated Emission, which among the following parameters of generated photon is/are similar to the photon of incident wave
Phase
Frequency
Polarization & direction of travel
All of the above
In spontaneous emission, the light source in an excited state undergoes the transition to a state with
Higher energy
Moderate energy
Lower energy
All of the above
For used in single-mode fiber, ___________ are used preferably
Semiconductor optical amplifier
Erbium-doped fiber amplifier
Raman fiber amplifier
Brillouin fiber amplifier
_______________ extends the pump power into transmission line fiber.
An erbium-based micro fiber amplifier
Rare-earth-doped fiber amplifiers
Raman fiber systems
Distributed Raman amplification
Fiber optics uses what medium to send information?
Electrons
Phonons
Light
None of these are correct
The fiber optic transmitter has which of the following functions?
Amplifies the optical signal
Converts the electrical input signal to an optical signal
Converts the input optical signal to an electrical signal
Amplifies the output electrical signal
The fiber optic receiver performs which of the following functions?
Amplifies the optical signal
Amplifies the electrical signal
Converts the electrical signal back into an optical signal
Converts the optical signal back into an electrical signal
The properties of light beams modulated by optical modulator are:
Optical power
Optical phase
Optical power and Phase
None
............. reduces the cost and increases the cable capacity to carry data
Optical amplifier
Optical Modulator
WDM
Optical source
