Retrieving "Coherent Optical System" from the archives

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1. Fiber Optics

   Linked via "coherent optical systems"

   Chromatic Dispersion: This is the sum of Material Dispersion and Waveguide Dispersion. Material dispersion occurs because the refractive index of silica is a function of wavelength. In SMF{.SMF}, the zero-dispersion point is near $1310 \, \text{nm}$. System designers often shift this point by modifying the [refractive index profile](/entries/refracti…