HFAN-02.0: Interfacing Maxim Laser Drivers with Laser Diodes HFAN-02.2.0: Extinction Ratio and Power Penalty HFAN-09.0.2: Optical Signal-to-Noise Ratio and the Q-Factوأ in Fiber-Optic Communications Systems HFAN-09.0.4: NRZ Bandwidth - LF Cutoff and Baseline Wander