Optical Soliton Communication Using Ultra-Short Pulses by Iraj Sadegh Amiri & Harith Ahmad

Author:Iraj Sadegh Amiri & Harith Ahmad
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

The laser Gaussian pulse input propagates inside the ring resonators system which is introduced by the nonlinear Kerr effect. The Kerr effect causes the refractive index (n) of the medium to vary as shown by

(2.40)

where n 0 and n 2 are the linear and nonlinear refractive indexes, respectively. I and P are the optical intensity and the power, respectively. A eff is the effective mode core area of the device. For an add/drop optical filter design, the effective mode core areas range from 0.50 to 0.10 µm2. The parameters were obtained by using practical parameters of used material (InGaAsP/InP) [52, 53]. Input optical fields of Gaussian pulses at the input and add ports of the system are given in Eq. (2.41).

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