A Seeking Alpha article published on May 22, 2026, compared Coherent Corp. with Lumentum Holdings Inc. The analysis named Lumentum the more compelling investment in the AI infrastructure space.
The comparison features seven key charts alongside strategic and financial growth metrics. It also highlights the industry's shift toward InP-based lasers.
The author favors Lumentum on operational and market-structure grounds. However, the analysis notes potential valuation risks for the company.