可见光无线传能通信一体化芯片

Visible light wireless energy transmission communication integrated chip

为了解决水下环境中物联网感知终端的能源供给难题,利用氮化镓量子阱二极管的多功能光电特性,采用兼容的制造工艺,在同一块氮化镓芯片上集成能源、照明、通信和感知等器件,在器件之间实现互联,制备出氮化镓能源通信感知一体化芯片,并对该芯片进行了可见光无线传能和通信实验。实验结果表明:该芯片能够吸收外界的光脉冲信号并产生稳定的信号输出,且信号发射速率能够达到1 Mb/s,具有中继通信的潜力;在水下环境中该芯片也能实现能源的采集与信号通信。

In order to solve the energy supply problem of the perception terminal of the internet of things in underwater environment,the multifunctional photoelectric characteristics of gallium nitride quantum well diode and compatible manufacturing process are utilized to integrate energy,lighting,communication and perception components on the same gallium nitride chip,and realize interconnection among the devices,so as to prepare gallium nitride energy communication and perception integrated chip.Experiments of visible light wireless energy transmission and communication are carried out on the chip.The experimental results show that the chip can absorb external optical pulse signal and generate stable signal output,and the signal transmission rate can reach 1 Mb/s,which has the potential of relay communication.The chip can also realize energy acquisition and signal communication in underwater environment.