The differential attenuation of modes reduces intermodal pulse broadening on a multimode optical link. State whether the given statement is true or false.

Related MCQs

• . A multimode fiber has RMS pulse broadening per km of 12ns/km and 28ns/km due to material dispersion and intermodal dispersion resp. Find the total RMS pulse broadening.
• Estimate RMS pulse broadening per km due to intermodal dispersion for multimode step index fiber where length of fiber is 4 km and pulse broadening per km is 80.6 ns.
• A multimode step-index fiber has a core refractive index of 1.5 and relative refractive index difference of 1%. The length of the optical link is 6 km. Estimate the RMS pulse broadening due to intermodal dispersion on the link.
• Doppler broadening is a homogeneous broadening mechanism. 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.
• Reduction in the number of modes in multimode fiber increases the mode partition noise. 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.
•  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.
• A combination of a FBG and optical isolators can be used to produce non-blocking optical wavelength division add/draw multiplexers. 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.