Chip and Its Key Technology for Monolithically Integrated Visible Light Communication and Sensing

WANG Yongjin; YIN Qingxi; YE Ziqi; FU Kang; WANG Hao; SU Yulong; GAO Xumin

doi:10.11999/JEIT211559

Volume 44 Issue 8

Aug. 2022

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Article Navigation > Journal of Electronics & Information Technology > 2022 > 44(8): 2725-2729

WANG Yongjin, YIN Qingxi, YE Ziqi, FU Kang, WANG Hao, SU Yulong, GAO Xumin. Chip and Its Key Technology for Monolithically Integrated Visible Light Communication and Sensing[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2725-2729. doi: 10.11999/JEIT211559

Citation:

WANG Yongjin, YIN Qingxi, YE Ziqi, FU Kang, WANG Hao, SU Yulong, GAO Xumin. Chip and Its Key Technology for Monolithically Integrated Visible Light Communication and Sensing[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2725-2729. doi: 10.11999/JEIT211559

Citation:

WANG Yongjin, YIN Qingxi, YE Ziqi, FU Kang, WANG Hao, SU Yulong, GAO Xumin. Chip and Its Key Technology for Monolithically Integrated Visible Light Communication and Sensing[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2725-2729. doi: 10.11999/JEIT211559

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Chip and Its Key Technology for Monolithically Integrated Visible Light Communication and Sensing

doi: 10.11999/JEIT211559

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)

Received Date: 2021-12-22
Accepted Date: 2022-06-01
Rev Recd Date: 2022-05-19

Available Online: 2022-06-07

Publish Date: 2022-08-17

Abstract

Abstract

Integrated communication and sensing is an emerging technology towards 6G. Since there is a spectral emission-detection overlap of GaN QW(Quantum Well) diode, GaN-based photodiode can absorb short-wavelength light photons emitted from another light-emitting diode sharing identical QW structure to generate photocurrent, offering the coexistence of emission, sensing and communication functionalities. Based on this intriguing phenomenon and because single QW diode chip has a weak external light signal sensing due to its luminous interference and the transceiver separation chips have some problems, such as low efficiency, weak compactness and poor robustness, this paper monolithically integrate GaN-based transmitter and receiver into a single chip, wherein they share identical QW structure and are fabricated using the same process flow. Asymmetric optical links are thus established using monolithic GaN optoelectronic chip, opening a feasible route to develop integrated visible light communication and sensing technology.
- Integrated communication and sensing,
- Quantum Well (QW) diode,
- Asymmetric optical link

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References(15)

References

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