Simplified coherent receiver with heterodyne detection of eight-channel 50 Gb /s PDM-QPSK WDM signal after 1040 km SMF-28 transmission

Engineering

• Transmissions 100%
• Coherent Receiver 100%
• Demonstrates 50%
• Photodetector 50%
• Quadrature Phase Shift Keying 50%
• Digital Signal Processing 50%
• Analog-to-Digital Converter 50%
• Single Mode Fibers 50%
• Intermediate Frequency 50%
• Frequency Signal 50%
• Polarization Diversity 50%
• Doped Fiber Amplifier 50%

Physics

• Warm Dark Matter 100%
• Photometer 50%
• Phase Shift Keying 50%
• Digital Signal Processing 50%
• Erbium-Doped Fiber 50%