Key Takeaways CIEN & NOK compete in optical networking as carriers boost fiber spending to handle AI-driven traffic.CIEN expects 2026 revenue of $5.7$6.1B, citing solid demand from cloud, DCI & AI infrastructure investments.NOK expects double-digit optical growth on AI and cloud orders and an expanded portfolio after Infinera.Ciena Corporation (CIEN) and Nokia (NOK) are both established players in the telecommunications equipment industry, with a strong focus on optical networking solutions used by service ...