我国率先实现光纤和无线通信系统无缝融合

Core Insights - The research paper titled "Integrated photonics enabling ultra-wideband fibre–wireless communication" was published in the prestigious journal Nature, marking a significant advancement in the fields of next-generation wireless communication (6G) and optical communication [1] - The study introduces the concept of integrated "fibre-wireless fusion communication," achieving seamless integration between fiber and wireless communication systems for the first time globally [1][3] - The developed system supports record-breaking data transmission rates across all major telecom scenarios, including fiber, wireless, and hybrid links, enabling a unified system for cross-scenario reuse [1][3] Group 1 - The research team achieved over 250GHz ultra-large bandwidth for optoelectronic/electro-optic conversion devices, setting records with thin-film lithium niobate modulators and indium phosphide detectors [3] - The fiber-wireless integrated fusion system demonstrated a record single-channel transmission of 256Gbaud (512Gbps) for fiber communication and 400Gbps for terahertz wireless communication, showcasing the capability to transmit 86 channels of 8K HD video in real-time [3][8] - This breakthrough is expected to reshape telecom system architecture and lay the foundation for achieving an all-optical interconnection vision, promoting rapid development in this field in China [3][10] Group 2 - The rapid development of AI technology has created a demand for higher density and performance computing power, which is crucial for future AI competitiveness [4] - The integration of fiber and wireless communication addresses the bandwidth gap that has hindered unified system design, enabling high-speed and compatible end-to-end transmission on the same infrastructure [4][6] - The research team proposed a new digital signal processing algorithm based on neural networks, significantly enhancing the system's adaptability to nonlinear impairments and overcoming challenges faced by traditional equalization algorithms [6][8] Group 3 - The system supports over 512Gbps for single-channel fiber communication and over 400Gbps for optical terahertz communication, establishing a new benchmark in all-optical communication [8] - The proposed ultra-wideband integrated photonic devices and AI equalization algorithms are applicable to both wired and wireless communication, bridging the gap between these two fields at the physical layer [8][10] - The system demonstrates excellent performance in energy consumption, cost, and scalability, with promising applications in 6G base stations and wireless data centers [10]