Portable system integrated with time comparison, ranging, and communication

Qiongqiong Zhang; Chengkai Pang; Yurong Wang; Guangyue Shen; Lei Yang; Zhaohui Li; Haiyan Huang; Guang Wu

doi:10.3788/COL202220.100601

Chinese Optics Letters, Volume. 20, Issue 10, 100601(2022)

Portable system integrated with time comparison, ranging, and communication

Qiongqiong Zhang¹, Chengkai Pang^1,2, Yurong Wang^1,2, Guangyue Shen^1,2, Lei Yang¹, Zhaohui Li¹, Haiyan Huang¹, and Guang Wu^1,2,3、*

Author Affiliations

¹State Key Laboratory of Precision Spectroscopy (East China Normal University), Shanghai 200241, China

²Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing 401120, China

³Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

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Figures & Tables(6)

Fig. 1. Schematic of asynchronous two-way optical link. SPD, single-photon detector; LD, laser diode; SF, start of frame; EF, end of frame; FPGA, field programmable gate array.

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Fig. 2. (a) Schematic of m-sequence generator. (b) Flow chart of data decoding process.

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Fig. 3. (a) Schematic of asynchronous two-way optical link. (b) System takes place at the Lanxiang Lake, Shanghai. SPD, single-photon detector; LD, laser diode; FPGA, field programmable gate array; F, filter; M, mirror; VOA, variable optical attenuator; COL, collimator.

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Fig. 4. TDC performance test.

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Fig. 5. (a) Time comparison results. (b) Statistical histogram of distance measurement.

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Table 1. Working State of Five-Stage Linear Feedback Shift Register

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Table 1. Working State of Five-Stage Linear Feedback Shift Register

$a_{4}$	$a_{3}$	$a_{2}$	$a_{1}$	$a_{0}$	Out	$a_{4}$	$a_{3}$	$a_{2}$	$a_{1}$	$a_{0}$	Out
0	1	0	0	1	1	0	0	0	1	1	1
0	0	1	0	0	0	1	0	0	0	1	1
0	0	0	1	0	0	1	1	0	0	0	0
0	0	0	0	1	1	1	1	1	0	0	0
1	0	0	0	0	0	1	1	1	1	0	0
0	1	0	0	0	0	1	1	1	1	1	1
1	0	1	0	0	0	0	1	1	1	1	1
0	1	0	1	0	0	0	0	1	1	1	1
1	0	1	0	1	1	1	0	0	1	1	1
1	1	0	1	0	0	1	1	0	0	1	1
1	1	1	0	1	1	0	1	1	0	0	0
0	1	1	1	0	0	1	0	1	1	0	0
1	0	1	1	1	1	0	1	0	1	1	1
1	1	0	1	1	1	0	0	1	0	1	1
0	1	1	0	1	1	1	0	0	1	0	0
0	0	1	1	0	0

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Qiongqiong Zhang, Chengkai Pang, Yurong Wang, Guangyue Shen, Lei Yang, Zhaohui Li, Haiyan Huang, Guang Wu, "Portable system integrated with time comparison, ranging, and communication," Chin. Opt. Lett. 20, 100601 (2022)

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Feb. 11, 2022

Accepted: May. 25, 2022

Published Online: Jun. 27, 2022

The Author Email: Guang Wu (gwu@phy.ecnu.edu.cn)

DOI:10.3788/COL202220.100601

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology