Silicon-based InGaN/GaN Multiple Quantum Well Waveguide Directional Coupler Photonic Integrated Chip for Visible Light Communication

LI Xin; LI Yun; WANG Xu; SHA Yuanqing; JIANG Chengwei; WANG Yongjin

doi:10.11999/JEIT210758

Volume 44 Issue 8

Aug. 2022

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Article Navigation > Journal of Electronics & Information Technology > 2022 > 44(8): 2695-2702

LI Xin, LI Yun, WANG Xu, SHA Yuanqing, JIANG Chengwei, WANG Yongjin. Silicon-based InGaN/GaN Multiple Quantum Well Waveguide Directional Coupler Photonic Integrated Chip for Visible Light Communication[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2695-2702. doi: 10.11999/JEIT210758

Citation:

LI Xin, LI Yun, WANG Xu, SHA Yuanqing, JIANG Chengwei, WANG Yongjin. Silicon-based InGaN/GaN Multiple Quantum Well Waveguide Directional Coupler Photonic Integrated Chip for Visible Light Communication[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2695-2702. doi: 10.11999/JEIT210758

Citation:

LI Xin, LI Yun, WANG Xu, SHA Yuanqing, JIANG Chengwei, WANG Yongjin. Silicon-based InGaN/GaN Multiple Quantum Well Waveguide Directional Coupler Photonic Integrated Chip for Visible Light Communication[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2695-2702. doi: 10.11999/JEIT210758

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Silicon-based InGaN/GaN Multiple Quantum Well Waveguide Directional Coupler Photonic Integrated Chip for Visible Light Communication

doi: 10.11999/JEIT210758

1.
College of Telecommunications and Information, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
2.
Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Funds: China Postdoctoral Science Foundation (2018M640508), Talent Program of Nanjing University of Posts and Telecommunications, Open research fund of Key Lab of Broadband Wireless Communication and Sensor Network Technology (Nanjing University of Posts and Telecommunications), Ministry of Education

Received Date: 2021-07-30
Rev Recd Date: 2022-03-22

Available Online: 2022-03-31

Publish Date: 2022-08-17

Abstract

Abstract

Optical communication technology using visible optical signal as a new information carrier is greatly developed in recent years. In order to develop a new generation of photonic integrated chip as a terminal device of the visible optical communication network, to meet the composite requirements of the visible optical signal transmission,reception, transmission and processing. Based on the silicon-based InGaN/GaN multi-quantum well material, a composite photon integrated chip integrating visible band micro Light-Emitting Diode (LED) light source, waveguide directional coupler and micro photodetector is designed. A luminescence detection coexistence phenomenon of a InGaN/GaN multi-quantum well material is used in this chip to achieve the above composite function. As the transmitting end, the micro LED light source can emit the blue band visible light signal. Its luminous intensity is linear modulated by the injection current, which can realize the amplitude modulation visible light communication, which is suitable for the transmitting end of visible light communication. The visible light signal transmitted by the micro LED light source is transmitted into the waveguide directional coupler, which realizes the effective in-chip transmission coupling and the average optical power distribution of the chip. After the visible light signal passed through the coupled transmission enters the microphotodetector, a photocurrent matching the intensity of the coupled transmitted light signal can be monitored. Finally, effective visible light communication of this chip is also confirmed by visible light communication testing. It provides more possibilities for developing composite functional photon integrated chip terminals facing the needs of visible optical communication networks through this reserach.
- Visible light communication,
- Gallium Nitride,
- Light-Emitting Diode(LED),
- Directional coupler,
- Photonic integration

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References(22)

References

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