Input Parameters Desired BER: Data Rate (Gbps): PAM#: Input Noise (pA/âHz): Responsivity (A/W): Transmit Optical Power (mW): Fibre Loss (dB): Connection Loss 1 (dB): Connection Loss 2 (dB): Calculate Results Parameter Calculated Value Required Optical Power at Receiver (mW) - Required Optical Power from Laser (mW) - BER vs Q vs SNR Reference BERQSNR (dB)