High-Sensitivity Anti-Temperature Drift Photoelectric Receiving Analog Front-End for Distributed Optical Fiber Acoustic Sensing

Xiaoling Tong; Wentao Xie; Shangming Du; Lei Liang

doi:10.3788/LOP232758

Laser & Optoelectronics Progress, Volume. 61, Issue 21, 2106003(2024)

High-Sensitivity Anti-Temperature Drift Photoelectric Receiving Analog Front-End for Distributed Optical Fiber Acoustic Sensing

Xiaoling Tong¹, Wentao Xie¹, Shangming Du², and Lei Liang^2、*

Author Affiliations

¹School of Mechanical and Electronic Engineering, Wuhan University of Technology, WuHan 430070, HuBei , China

²Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572025, Hainan , China

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Figures & Tables(14)

Fig. 1. Avalanche gain characteristics of APD

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Fig. 2. Equivalent circuit model of APD

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Fig. 3. Structural diagram of APD optoelectronic receiving simulation front-end

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Fig. 4. Bias voltage temperature automatic compensation circuit

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Fig. 5. Relationship curve of working temperature of NTC and $R_{N T C}$

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Fig. 6. Temperature error amplification circuit

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Fig. 7. TIA amplification circuit with wide dynamic input range

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Fig. 8. Dark currents and photo currents versus bias voltage at different temperatures

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Fig. 9. Experimental results at different temperatures. (a) Signal to noise ratio and bias voltage; (b) optimal avalanche gain

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Fig. 10. Correspondence between bias voltage and temperature. (a) Theoretical bias voltage and actual bias voltage; (b) voltage difference

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Fig. 11. Relationship between input optical power and output voltage. (a) Transmission characteristic curve of TIA amplification circuit; (b) fit function and actual data

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Table 1. Main performance parameters of APD

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Table 1. Main performance parameters of APD

Characteristic parameter	Value
Wavelength operating range $λ$ /nm	800‒1700
Quantum efficiency $η$ /（mA·mW^－1）	0.75
Responsiveness $ρ$ /（A·W^－1）	0.9
Bandwidth $B$ /GHz	2.5
Dark current $I_{D A}$ /nA	0.8
Parasitic capacitance $C_{d}$ /pF	0.7
Reverse breakdown voltage at 25 ℃ $V_{B R}$ /V	45.9
Reverse breakdown voltage temperature coefficient $T_{V B R}$ /（V·℃^－1）	0.11
Maximum instantaneous input power $P_{M}$ /μW	300

Table 2. Relationship between T and $T_{A}$
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Table 2. Relationship between T and $T_{A}$
T /℃ $T_{A}$ /℃ T /℃ $T_{A}$ /℃ T /℃ $T_{A}$ /℃
0 －0.10 18 18.04 35 35.00
3 3.12 20 20.09 38 37.93
5 4.88 23 23.01 40 39.96
8 8.09 25 25.06 43 42.90
10 10.14 28 27.98 45 44.94
13 13.07 30 30.03 48 47.87
15 15.11 33 32.96 50 49.92

Table 3. Relationship between input optical power and output voltage of amplification circuit
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Table 3. Relationship between input optical power and output voltage of amplification circuit
P /μW $V_{O U T}$ /V P /μW $V_{O U T}$ /V
0.001 0.71 0.900 1.82
0.010 1.05 1.000 1.84
0.020 1.16 10.000 2.27
0.040 1.27 20.000 2.37
0.080 1.39 50.000 2.50
0.100 1.44 100.000 2.62
0.300 1.63 200.000 2.74
0.600 1.74 300.000 2.80

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Xiaoling Tong, Wentao Xie, Shangming Du, Lei Liang. High-Sensitivity Anti-Temperature Drift Photoelectric Receiving Analog Front-End for Distributed Optical Fiber Acoustic Sensing[J]. Laser & Optoelectronics Progress, 2024, 61(21): 2106003

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