The fibers which relax the spectral requirements for optical sources and allow flexible wavelength division multiplying are known as __________a.Dispersion-enhanced single mode fiberb.Dispersion-flattened single mode fiberc.Dispersion-standardized single mode fiberd.Dispersion-compressed single mode fiber

Dispersion-shifted single mode fibers are created by __________a.Decreasing fiber core diameter and decreasing fractional index differenceb.Decreasing fiber core diameter and increasing fractional index differencec.Increasing fiber core diameter and increasing fractional index differenced.Increasing fiber core diameter and decreasing fractional index difference

When more than one mode is propagating in an optical fiber, it is dispersed due to1 pointmaterial dispersionwaveguide dispersionall of these.intermodal dispersion

Pulse dispersion in an optical fiber restrictsa. a.Optical power carrying capabilityOptical power carrying capabilityb. b.Transmission distanceTransmission distancec. c.Number of propagating modesNumber of propagating modesd. d.Transmission data rateTransmission data rate

Pulse dispersion in an optical fiber restricts

What is needed to predict the performance characteristics of single mode fibers?a. a.Geometric distribution of light in a propagating modeGeometric distribution of light in a propagating modeb. b.Fractional power flow in the cladding of fiberFractional power flow in the cladding of fiberc. c.Normalized frequencyNormalized frequencyd. d.The intermodal delay effectThe intermodal delay effect