An optical transceiver is a device that converts electrical signals into optical signals and vice versa. It is commonly used in fiber optic communication systems to transmit and receive data. To convert an electrical signal into an optical signal, the transceiver uses a laser diode to emit light at a specific wavelength. The electrical signal is used to modulate the intensity of the laser light, which in turn encodes the data onto the optical signal. To convert an optical signal back into an electrical signal, the transceiver uses a photodetector to detect the incoming light. The photodetector converts the optical signal into an electrical signal by detecting changes in the intensity of the light. The electrical signal can then be processed by a computer. In summary, an optical transceiver works by using a laser diode to encode electrical signals onto an optical signal, and a photodetector to decode the optical signal back into an electrical signal.
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