COT is specializing in the development and production of high-speed and niche OE components. Our team with leading-edge tech has 20 years of experience. The company has a fab in Hsinchu, sales offices in China, India, and Japan. Our main product HCSEL is different from traditional EEL/VCSEL. It features surface-emitting, high power, small divergence and is ready for SFF package. The 1310nm HCSELs have been successfully implemented to the mobile phone supply chain. In addition, it also holds great potential for integration in photonic integrated circuits (PICs) based on silicon photonics.