Inphi develops linear transimpedance amplifiers, modulator drivers, optical physical layer devices, coherent DSPs, and silicon photonic-based subsystems for long haul, metro, and data center applications.

[2][3] As of April 20, 2021, the company was acquired by Marvell Technology, Inc.[4] Inphi was founded in 2000 by Gopal Raghavan, Tim Semones and Loi Nguyen to provide high-speed analog, DSP, and optical semiconductor solutions for the cloud and service provider communication markets.

[5][6] On July 30, 2014, Inphi completed the acquisition of Cortina Systems, Inc., in a transaction valued at $131 million including its High-Speed Interconnect and Optical Transport product lines.

[4] Inphi products include optical and networking physical layer solutions for cloud and telecom markets.

Common applications for its products include long haul and metro, inside and between data center interconnects, 5G, access, and cable.