Photonic Integrated Circuits (PIC) Market Size & Forecasts 2026-2035, By Segments (Integration Type, Application, Raw Material, Component), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Intel, II-VI Incorporated, Lumentum, Infinera, SK Telecom)