First, we show matlab programming motivation for NGOA systems in keeping with matlab programming future necessities on FTTH access techniques and list matlab programming benefits of OFDM in such eventualities. In matlab programming next part, matlab programming basics of OFDM and various how you can generate and detect optical OFDM indicators are defined and analyzed. At matlab programming transmitter side matlab programming options include intensity modulation and matlab programming more superior field modulation of matlab programming optical OFDM signal. At matlab programming receiver there is matlab programming choice among direct detection and coherent detection. As matlab programming result of this dialogue we show our vision of matlab programming future use of OFDM in optical access networks. This paper starts with discussing matlab programming precept in keeping with which matlab programming celebrated orthogonal frequency division multiplexing OFDM alerts are built. , ?x+?y+?z. The absorption is then outlined such that only components of matlab programming wave field traveling within matlab programming PML and normal to matlab programming boundary are absorbed. Including matlab PML, matlab programming first order acoustic equations given in Eq. 1 become23, 243. ?u?0?x?0?ux?x ax?x,y,z,where matlab programming second equation is repeated for each Cartesian course. The performance of matlab programming PML is based on both matlab programming size and attenuation of matlab programming layer, in addition to matlab programming time step utilized in matlab programming simulation.