Discovery Semiconductors Inc.The DSC705 high-power, balanced photodiodes from Discovery Semiconductors Inc. provide 5-GHz bandwidth. The DSC705 is a balanced InGaAs photodiode in a push-pull configuration with each photodiode capable of handling high optical power up to 17 dBm (50 mW). As a pair, they will handle 20 dBm (100 mW). The photodiodes are ideal for quantum key distribution detection schemes as they are shot-noise limited. The broad wavelength response of 1060 to 1650 nm allows for one device for multiple wavelengths and reduces operational and inventory cost. 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