Improved Energy Harvesting and High-Speed Communication With C-Band Photonic Power Converters

Simultaneous lightwave information and power transfer (SLIPT) enables continuous powering of remote, power-constrained devices while maintaining data connectivity. This letter experimentally demonstrates dynamic, on-demand power boosting in a photonic power converter (PPC)-based SLIPT system using a second dedicated laser without impacting communication performance. The system enables the harvested electrical power to be adapted from 1.93 mW to 3.9 mW by appropriately adjusting the output power of the second laser, thereby extending the adaptable power range beyond the limits of single-laser operation. Experimental results show a consistent data rate of 630 Mbps at the maximum power point and 1.1 Gbps under short-circuit operation, unaffected by the activation of the second laser. These findings demonstrate the practical viability of dynamic power adaptation in C-band PPC-based SLIPT links and provide a flexible, scalable, and eye-safe approach for next-generation energy-constrained wireless communication systems.