Title :
Nonlinear Semi-Analytical Model for Simulation of Few-Mode Fiber Transmission
Author :
Ferreira, Filipe ; Jansen, Sander ; Monteiro, Paulo ; Silva, Henrique
Author_Institution :
Nokia Siemens Networks Portugal, S.A., Amadora, Portugal
Abstract :
In this letter, a nonlinear semi-analytical model (NSAM) for simulation of few-mode fiber transmission is proposed. The NSAM considers the mode mixing arising from the Kerr effect and waveguide imperfections. An analytical explanation of the model is presented, as well as simulation results for the transmission over a two mode fiber (TMF) of 112 Gb/s using coherently detected polarization multiplexed quadrature phase-shift-keying modulation. The simulations show that by transmitting over only one of the two modes on TMFs, long-haul transmission can be realized without increase of receiver complexity. For a 6000-km transmission link, a small modal dispersion penalty is observed in the linear domain, while a significant increase of the nonlinear threshold is observed due to the large core of TMF.
Keywords :
optical Kerr effect; optical fibre communication; optical fibre dispersion; optical waveguides; quadrature phase shift keying; Kerr effect; bit rate 112 Gbit/s; coherently detected polarization; few-mode fiber transmission; modal dispersion penalty; mode mixing; multiplexed quadrature phase-shift-keying modulation; nonlinear semi-analytical model; nonlinear threshold; receiver complexity; two mode fiber; waveguide imperfections; Couplings; Optical fiber dispersion; Optical fiber networks; Optical fiber polarization; Optical fiber theory; Few-mode fibers; multimode fibers; nonlinear fiber optics; optical fiber communication; optical fibers;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2011.2177250
