Integrated, ultrahigh-fidelity 17×40 GHz OAWG

We demonstrate ultrahigh-fidelity (G Lt 0.4%) optical arbitrary waveform generation using an integrated arrayed-waveguide-grating pair based 128-channel Fourier pulse shaper with computer-controlled-feedback, a 17-mode 40-GHz optical-frequency comb source, and cross-correlation frequency-resolved optical-gating measurements.