Cross Phase Modulation - Reasons of occurrence

Q. Which reason/s is/are responsible for the occurrence of non-linear Cross Phase Modulation (XPM)?
- Published on 23 Nov 15

a. Difference in transmission phase of peak pulse & leading or trailing edges of pulse

b. Third-order optical non-linearity

c. Intensity dependence of refractive index

d. All of the above

ANSWER: Intensity dependence of refractive index

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