The phonon is a quantum of an elastic wave in a crystal lattice. State whether the given statement is true or false.

Related MCQs

• High frequency optical phonon is generated in stimulated Raman scattering. State true or false
• A ho*mo-junction is an interface between two adjoining single-crystal semiconductors with different band-gap energies. State whether the given statement is true or false.
• Conventional optical fibers has more transmission losses than photonic crystal fibers. State whether the statement is true or false.
• Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser. State whether the given statement is true or false
• Any amount of stress occurring at the core-cladding interface would be reduced by grading the material composition. State whether the given statement is true or false.
•  For many applications which involve optical fiber transmission, an intensity modulation optical source is not required. State whether the given statement is true or false.
• The maximum bit rate that may be obtained on an optical fiber link is 1/3Γ. State whether the given statement is true or false.
• Chromatic dispersion is also called as intermodal dispersion. State whether the given statement true or false.
• The differential attenuation of modes reduces intermodal pulse broadening on a multimode optical link. State whether the given statement is true or false.
• Intermodal dispersion in multimode fibers is minimized with the use of step-index fibers. State whether the given statement is true or false.