- Realization of optical OFDM using time lenses and its comparison with optical OFDM using FFTDong Yang
Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON, L8S4K1, Canada
Opt Express 17:17214-26. 2009..Details of the time lens set up are provided and a novel scheme to implement the time lens without requiring the quadratic dependence of the driving voltage is presented...
- Optical backpropagation for fiber-optic communications using highly nonlinear fibersShiva Kumar
Electrical and Computer Engineering, McMaster University, Main Street West, Hamilton, ON L8S 4K1, Canada
Opt Lett 36:1038-40. 2011..A technique to realize an effective negative Kerr nonlinear coefficient using two highly nonlinear fibers is presented. This technique is used compensate the fiber nonlinearity in optical backpropagation...
- Analytical modeling of a single channel nonlinear fiber optic system based on QPSKShiva Kumar
Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON, Canada
Opt Express 20:27740-55. 2012..The analytically estimated BER is found to be in good agreement with numerical simulations...