Alpine Opto fabs PAM4 engine on Tower process

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Alpine Optoelectronics has begun production of its 400G PAM4 nCP4 optical engine on Tower Semiconductor’s PH18 Silicon Photonics technology platform. Alpine’s nCP4 chip converts 4 lanes of 56Gbaud electrical input into 4 lanes of optical output for use in 400Gbps DR4 transceivers to support high-speed connectivity in data center applications. “We were able to develop a …

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