An optical receiver is an electronic device that detects and converts optical signals into electrical signals. It's the endpoint of any fiber optic link, sitting at the far end of the cable and translating pulses of infrared light into the ones. In the era of 5G, AI, and high-speed data centers, optical modules serve as the core bridge for converting electrical signals to optical signals (and vice versa), enabling fast, reliable data transmission across networks. The optical transmitter and the optical receiver. Optical Detectors-PIN diode and APD diodes –Photo detector noise, SNR, –Comparison of Photo detectors – Fundamental Receiver Operation – Design of Analog Systems- Design of Digital Systems.
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