Optical Fiber Communication Test Questions

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

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: See Answer
No explanation is available for this question!