Tower Semiconductor (TSEM)
Silicon Photonics AI Supercycle
Photo: Tower Semiconductor · CC BY-SA 4.0 · source
Report summary
- Rating
- Summit members
- Latest catalyst
- Q2 2026 print4 Aug 2026
- Catalyst verdict
- Summit members
- Sector
- Specialty analog foundry / silicon photonics
- Narrative phase
- Phase 4
- Updated
- 10 Aug 2026
Tower Semiconductor (TSEM) has re-rated from a specialty analog foundry into the leading merchant silicon-photonics (SiPho) foundry supplying the AI optical-interconnect build-out. Tower, led by long-tenured CEO Russell Ellwanger, operates 200mm and 300mm fabs across Israel, the United States, Japan and Italy, serving RF SOI, SiGe, silicon photonics, power management and image sensor customers.
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