Optical Communication is the transmission of information using light, typically through optical fiber or free-space links. Systems use lasers or LEDs as transmitters and photodetectors as receivers to convert optical signals into electrical data. Key parameters include wavelength, modulation format, bandwidth, receiver sensitivity, and signal integrity. Optical communication is used in telecom networks, datacomm links, and specialized sensing systems. GPD Optoelectronics manufactures photodetectors used in optical communication receivers.
Everyone’s talking GPUs, but the AI buildout has a quieter bottleneck: getting data into and out of chips fast enough. As data centers push toward 800G and 1.6T, silicon can’t detect the light. Germanium and InGaAs photodiodes are the unsung heroes making it work.