基于垂直结构GaN LED的水下蓝光通信系统

王永进; 高羽; 王林宁; 高绪敏; 胡泽锋

doi:10.11999/JEIT220328

基于垂直结构GaN LED的水下蓝光通信系统

doi: 10.11999/JEIT220328

南京邮电大学通信与信息工程学院南京 210003

基金项目: 国家自然科学基金(61827804, 62005130)，江苏省自然科学基金(BK20200755)，“111”项目(D17018)

详细信息

作者简介:
王永进：男，1977年生，博士生导师，主要从事可见光通信系统及关键器件的研究

高羽：男，1998年生，硕士生，主要研究方向为可见光通信及系统的技术研究

王林宁：男，1995年生，博士生，主要研究方向为可见光通信及系统的技术研究

高绪敏：女，1991年生，硕士生导师，主要研究方向为III 族氮化物光电材料与器件的研究

胡泽锋：男，1998年生，硕士生，主要研究方向为可见光通信及系统的技术研究

通讯作者:
王永进　wangyj@njupt.edu.cn

中图分类号: TN929.1; TN929.3
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- 被引次数: 0
出版历程
- 收稿日期: 2022-03-25
- 修回日期: 2022-07-15
- 网络出版日期: 2022-07-18
- 刊出日期: 2022-08-17

Underwater Blue Light Communication UsingVertical-structure GaN Light Emitting Diode

College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Funds: The National Natural Science Foundation of China (61827804, 62005130), The Natural Science Foundation of Jiangsu Province (BK20200755), The “111” Project (D17018)

摘要

摘要: 垂直结构GaN LED能够提高器件的出光效率和调制带宽，是可见光通信的关键器件。该文面向水下蓝光通信的重大应用需求，基于亚波长理想LED模型，设计、制备了垂直结构蓝光LED器件，在NRZ-OOK调制下可实现10 Mbps的无线光通信。该文进一步搭建了水下可见光通信系统，采用基于该器件，实现了调制速率2 Mbps的全双工水下蓝光通信。
- 水下蓝光通信 /
- 氮化镓 /
- 亚波长理想LED
Abstract: Ultrathin vertical-structure GaN Light Emitting Diode (LED) that can enhance light extraction efficiency as well as modulation bandwidth is a key optical element for visible light communication. In order to meet the requirement of underwater blue light communication, vertical-structure blue LED is designed and fabricated according to subwavelength vertical structure LED model. The fabricated vertical-structure LED can achieve a transmission rate of 10 Mbps under the NRZ-OOK modulation scheme. Furthermore,this vertical-structure LED is used to establish an underwater blue light communication system, which can achieve a full-duplex data communication with a modulation rate of 2 Mbps.
- Underwater blue light communication /
- Gallium Nitride /
- Subwavelength vertical-structure light-emitting diode

HTML全文

图 1 GaN垂直结构LED制备

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图 2 GaN垂直结构LED器件表征

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图 3 GaN LED通信性能测试

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图 4 FPGA软件系统框图

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图 5 发射端电路和测试波形

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图 6 接收端电路和波形测试

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图 7 水下蓝光通信系统

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表 1 水下可见光通信技术数据

光源类型	探测器类型	调制方式	数据源	数据速率(Mbps)	传输方式	距离(m)	文献/年份
LED	MPPC	PAM4	AWG	12.8	单工	2	文献[13]/2018
LED	APD	PAM8	AWG	1500	单工	1.2	文献[14]/2018
LED	SIPM	PPM	AWG	5	单工	46	文献[15]/2019
LED	SIPM	OOK	AWG	1	单工	10	文献[16]/2021
LED	APD	OOK	摄像头	2	双工	0.8	本文

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参考文献(22)

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