VCSEL Market by Type of Modes (Multi-mode and Single-mode), by Type of Die-Size (0.02-0.06 mm², 0.06 - 0.4 mm², 0.4 - 1.3 mm², 10 - 75 mm²), Areas of Application, Type of End-use, Type of Material, Type of Wavelength, Company Size, Geographical Regions, and Leading Players – Trends and Forecasts 2026-2040