Q.1
For linear as well as in nonlinear mode _______________ are most important network elements.
  • Optical amplifier
  • Optical detector
  • A/D converter
  • D/A converters
Q.2
Integrated technology for optical devices are developed within optical fiber communication.
  • True
  • False
Q.3
The optical medium, in case of optical wavelength conversion is ___________
  • Depleted
  • Linear
  • Non-linear
  • Dispersive
Q.4
The ___________ converters cannot process different modulation formats.
  • Shifting
  • Optoelectronic wavelength
  • Opt-circular
  • Magnetic simulating
Q.5
He device which is used to perform wavelength conversion is called as ___________
  • Attenuator
  • Wavelength Gyrator
  • Wavelength Circulator
  • Wavelength translator
Q.6
___________________ is defined as a process by which the wavelength of the transmitted signal is changed without altering the data carried by the signal.
  • Wavelength conversion
  • Attenuation
  • Sigma management
  • Wavelength dispersion
Q.7
______________ are operated at current beyond normal lasing threshold current, practically.
  • Semiconductor optical amplifier
  • Erbium-doped fiber amplifier
  • Raman fiber amplifier
  • Brillouin fiber amplifier
Q.8
The more advantages optical amplifier is ____________
  • Fiber amplifier
  • Semiconductor amplifier
  • Repeaters
  • Mode hooping amplifier
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