Demonstration of packet-by-packet wavelength conversion from FP-LD light to ITU-T grid wavelengths

We demonstrated packet-by-packet wavelength conversion from Fabry-Perot laser diode (FP-LD) light to four ITU-T grid wavelengths. To achieve this we used a cross-phase modulation (XPM) wavelength converter and an arrayed-waveguide grating (AWG) router. Good feasibility was obtained at 2.5-Gb/s modulation. Selective wavelength conversion as described here is indispensable for the all-optical networks of future, in which optical signal sources without wavelength control will be used at user-end terminals.