The ultra-short pulse propagation in Gallium Arsenide (GaAs) structures can be modeled through the Piecewise Linear Recursive Convolution (PLRC) technique in the context of the Finite-Difference Time-Domain (FDTD) solution of Maxwell's equations. Our model is based on a Lorentzian formulation of dispersive media, taking into account the Raman, Kerr and Two-Photon Absorption nonlinearities. Soliton propagation in the presence of nonresonant nonlinear effects with fast time response in semiconductors is investigated.
Ultra short pulse propagation modeling in nonlinear dispersive GaAs structures addressing the finite difference time domain simulation method
NADIMI GOKI, PANTEA;CAVIGLIA, DANIELE;DI ZITTI, ERMANNO
2012-01-01
Abstract
The ultra-short pulse propagation in Gallium Arsenide (GaAs) structures can be modeled through the Piecewise Linear Recursive Convolution (PLRC) technique in the context of the Finite-Difference Time-Domain (FDTD) solution of Maxwell's equations. Our model is based on a Lorentzian formulation of dispersive media, taking into account the Raman, Kerr and Two-Photon Absorption nonlinearities. Soliton propagation in the presence of nonresonant nonlinear effects with fast time response in semiconductors is investigated.
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