Signal Processing in Photonic Communications (SPPCom)

1. Next Generation Transmission Systems
   • Advanced modulation schemes, forward error correction and coding
   • Algorithms for DSP in optical transmission systems
   • Channel characterization and equalization
   • Advanced data encoding and signal shaping
   • Performance monitoring and signal characterization
   • Flexible and sliceable transceivers
   • Real-time demonstration and field trials
   • Space-division multiplexing (SDM)
   • Digital-to-analog and analog-to-digital converters
   • Demonstration of high capacity transmission
   • Joint transmission and sensing
   • Low carbon footprint transmission system
2. Machine Learning (ML) in Optical Communication
   • Channel estimation and equalization
   • Signal & component characterization, performance monitoring, failure prediction
   • Physical layer optimization
   • Optical signal processing for neural networks
   • Photonic neural networks, neuromorphic computing
   • Digital twin
3. Quantum Communications
   • QKD (signal processing, channel estimation, device calibration, error correction and privacy amplification)
   • Quantum random number generation
   • Protocols beyond QKD (quantum digital signatures, quantum authentication)
   • Quantum imaging
   • Quantum repeaters
   • Quantum networks
4. Photonics for RF and Free Space Optical Communication
   • Analog radio-over-fiber systems for 5G and beyond
   • Optical-wireless communication
   • Visible light communication systems
   • Lab and field demonstration of free-space optical wireless transmission
   • Space and stratosphere optical communication (inter-satellite, inter-HAPS, ground-to-satellite/satellite-to-ground, etc.)
   • Underwater optical wireless communication
5. Access Networks — Passive Optical Networks (PON)
   • Advanced PON architectures (Coherent PON, WDM-PON, TWDM-PON, OFDMA-PON, etc.)
   • Burst mode signal processing
   • In-building optical networks
   • Digital, electronic and optical processing for PON systems
   • Signal processing for optical backhaul/fronthaul networks
   • Signal processing for long-reach broadband access networks
   • Energy efficient access networks
6. Optical Signal Processing
   • Passive and active all-optical signal processing subsystems
   • Microwave photonic subsystems
   • Optical signal processing with photonic integrated circuits
   • Optical digital-to-analog and analog-to-digital converters
   • Optical buffering, bit-, and label-processing subsystems
   • Optical packet and burst switching subsystems
   • Performance monitoring and signal characterization based on optical techniques
   • Optics in computing