Pre-Compensating the Shifted Power-to-Bias Response of Si Waveguide Modulator Induced by High-Speed Encoding

The shifted power-to-voltage response and reduced on/off extinction ratio observed in uncooled Si waveguide intensity modulator can be pre-compensated with offsetting the DC bias to recover the bit-error-ratio from 8.3*10-3 to 9.4*10-9 under 60-Gbit/s NRZ-OOK.