Cosemi is an optical semiconductor device company focused on delivering next generation bandwidth devices, in high volume, at breakthrough costs. Serving datacom, telecom, and consumer electronic markets, Cosemi products address both 850nm and 1310/1550nm optical networking applications. Our unique photodiode designs and processes provide high bandwidth, low capacitance, low dark current, and relatively large aperture size. Our known-good-die quality and reliability processes have been proven with over six years of field performance. Cosemi products are delivered with die level hermeticity, thus allowing our customers to utilize lower cost packaging techniques. Leading Tier-1 customers are making Cosemi their supplier of choice, particularly for data rates of 10Gbps and above.