High-Speed Optical Transceiver Market Size & Forecasts 2026-2035, By Segments (Transmission Technology, Application, Vertical Industry, Form Factor, Data Rate), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (II-VI, Lumentum, Finisar, Broadcom, Cisco)