基于垂直結構GaN LED的水下藍光通信系統(tǒng)

王永進; 高羽; 王林寧; 高緒敏; 胡澤鋒

doi:10.11999/JEIT220328

基于垂直結構GaN LED的水下藍光通信系統(tǒng)

doi: 10.11999/JEIT220328

南京郵電大學通信與信息工程學院南京 210003

基金項目: 國家自然科學基金(61827804, 62005130)，江蘇省自然科學基金(BK20200755)，“111”項目(D17018)

詳細信息

作者簡介:
王永進：男，1977年生，博士生導師，主要從事可見光通信系統(tǒng)及關鍵器件的研究

高羽：男，1998年生，碩士生，主要研究方向為可見光通信及系統(tǒng)的技術研究

王林寧：男，1995年生，博士生，主要研究方向為可見光通信及系統(tǒng)的技術研究

高緒敏：女，1991年生，碩士生導師，主要研究方向為III 族氮化物光電材料與器件的研究

胡澤鋒：男，1998年生，碩士生，主要研究方向為可見光通信及系統(tǒng)的技術研究

通訊作者:
王永進　wangyj@njupt.edu.cn

中圖分類號: TN929.1; TN929.3
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- 被引次數: 0
出版歷程
- 收稿日期: 2022-03-25
- 修回日期: 2022-07-15
- 網絡出版日期: 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: 垂直結構GaN LED能夠提高器件的出光效率和調制帶寬，是可見光通信的關鍵器件。該文面向水下藍光通信的重大應用需求，基于亞波長理想LED模型，設計、制備了垂直結構藍光LED器件，在NRZ-OOK調制下可實現10 Mbps的無線光通信。該文進一步搭建了水下可見光通信系統(tǒng)，采用基于該器件，實現了調制速率2 Mbps的全雙工水下藍光通信。
- 水下藍光通信 /
- 氮化鎵 /
- 亞波長理想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

圖 1 GaN垂直結構LED制備

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圖 2 GaN垂直結構LED器件表征

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圖 3 GaN LED通信性能測試

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圖 4 FPGA軟件系統(tǒng)框圖

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圖 5 發(fā)射端電路和測試波形

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圖 6 接收端電路和波形測試

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圖 7 水下藍光通信系統(tǒng)

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表 1 水下可見光通信技術數據

光源類型	探測器類型	調制方式	數據源	數據速率(Mbps)	傳輸方式	距離(m)	文獻/年份
LED	MPPC	PAM4	AWG	12.8	單工	2	文獻[13]/2018
LED	APD	PAM8	AWG	1500	單工	1.2	文獻[14]/2018
LED	SIPM	PPM	AWG	5	單工	46	文獻[15]/2019
LED	SIPM	OOK	AWG	1	單工	10	文獻[16]/2021
LED	APD	OOK	攝像頭	2	雙工	0.8	本文

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