Integration of Laser Communication and Aiming Based on High Sensitivity Beam Position Signal Extraction (Invited)

Xinyu Chen; Shaowen Lu; Funan Zhu; Yongbo Fan; Qiong Hu; Haowei Xia; Jianfeng Sun; Ren Zhu; Xia Hou; Weibiao Chen

doi:10.3788/LOP232772

Laser & Optoelectronics Progress, Volume. 61, Issue 7, 0706016(2024)

Integration of Laser Communication and Aiming Based on High Sensitivity Beam Position Signal Extraction (Invited)

Xinyu Chen^1,2, Shaowen Lu^1、*, Funan Zhu¹, Yongbo Fan¹, Qiong Hu¹, Haowei Xia¹, Jianfeng Sun^1,2, Ren Zhu¹, Xia Hou^1,2、**, and Weibiao Chen^1,2

Author Affiliations

¹Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(8)

Fig. 1. Schematic diagram of communication and tracking one-unit design

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Fig. 2. QAPD equivalent working model

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Fig. 3. Relationship between the average number of points and the signal

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Fig. 4. Relationship between average voltage and incident power

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Fig. 5. Test physical photo

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Fig. 6. Relationship between tracking efficiency and disturbance frequency

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Fig. 7. Relationship between BER and received power

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Table 1. Main parameters of the experiment

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Table 1. Main parameters of the experiment

Parameter	Symbol	Value
Boltzmann constant /（J/K）	k	1.38×10^-23
Temperature /K	T	308
Electron /C	e	1.6×10^-19
Responsivity /（A/W）	$R = \frac{η e}{h ν} M$	9.5
Gain coefficient	M	10
Noise figure	$α$	3
Bandwidth /MHz	B	10
Dark current /nA	$I_{d}$	100

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Xinyu Chen, Shaowen Lu, Funan Zhu, Yongbo Fan, Qiong Hu, Haowei Xia, Jianfeng Sun, Ren Zhu, Xia Hou, Weibiao Chen. Integration of Laser Communication and Aiming Based on High Sensitivity Beam Position Signal Extraction (Invited)[J]. Laser & Optoelectronics Progress, 2024, 61(7): 0706016

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Dec. 28, 2023

Accepted: Feb. 22, 2024

Published Online: Apr. 19, 2024

The Author Email: Lu Shaowen (lushaowen@siom.ac.cn), Hou Xia (hou_xia@siom.ac.cn)

DOI:10.3788/LOP232772

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology