Tunable Wavelength Multicasting Using Pulsed Pumping Four-Wave Mixing in a Highly Nonlinear Fiber

We report tunable wavelength multicasting of picosecond pulses based on pulsed pumping four-wave mixing (FWM) in a highly nonlinear fiber (HNLF). By employing two or three input continuous-wave (CW) signals, single-to-dual, single-to-four, and single-to-six channel wavelength conversions are observed in the experiment, taking into account the evolution of CW optical waves into optical pulses during FWM