– Core Components for Optical-to-Electrical Conversion
1. Type: PIN Photodiode / Avalanche Photodiode
2. Wavelength: 850-1650nm (Optical Communication), 1700-3000nm (Sensing)
3. Responsivity: 0.8-1.0 A/W (PIN); 8-15 A/W (APD, with gain)
4. Bandwidth: ≥ 25 GHz
5. Application Scenarios: Optical communication receivers, fiber sensing, LiDAR
