Tower Semiconductor Ltd (NASDAQ:TSEM) shares are up during Monday's premarket session.

The company announced a multi-year agreement for the supply of Indium Phosphide (InP) epiwafers with IQE plc.

This partnership aims to enhance Tower's capabilities in next-generation optical technologies, which are critical for AI-driven data center infrastructure.

InP Epiwafer Supply Deal The agreement with IQE includes a minimum purchase commitment from Tower in the first year and reciprocal supply commitments.

This will reinforce Tower's position in the silicon photonics market.