Acta Photonica Sinica, Volume. 53, Issue 9, 0906001(2024)
High-sensitivity Simultaneous Demodulation of Multi-parameters in Polarization-maintaining Fibers Based on Brillouin Dynamic Gratings
Figures & Tables(12)
Fig. 5. BDG reflection spectra of the PCF as a function of temperature with different pressures.
Fig. 6. Variation of birefringence frequency shift with temperature and pressure
Fig. 7. Variation of Brillouin frequency shift with temperature and pressure
Fig. 8. Variation of Brillouin linewidth with temperature and pressure
Table 1. Fiber dimension parameter
View tableView in ArticleTable 1. Fiber dimension parameter
Parameter/μm d1 d2 d3 a1 b1 a2 b2 Numerical value 125 3 30 80 40 6 3
Table 2. Simulation parameters
View tableView in ArticleTable 2. Simulation parameters
Name Pump1 Pump2 Probe Fiber length Brillouin gain spectral linewidth Symbol P1 P2 P3 L ГB Numerical value 0.1 W 0.1 W 0.01 W 1 m 30 MHz
Table 3. Comparison with existing research results
View tableView in ArticleTable 3. Comparison with existing research results
Ref. Temperature/℃ Pressure/MPa Pressure sensitivity of fast axis/（MHz·MPa-1） Pressure sensitivity of slow axis/（MHz·MPa-1） Temperature sensitivity/（MHz·℃-1） ［ 17 ］0~40 0~40 -404 692 0.18 ［ 20 ］0~100 0~40 -1 004 1 021 0.554 3 Our work 0~100 0~30 -1 961 1 356 0.105
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Lijuan ZHAO, Zimeng HUANG, Zhiniu XU. High-sensitivity Simultaneous Demodulation of Multi-parameters in Polarization-maintaining Fibers Based on Brillouin Dynamic Gratings[J]. Acta Photonica Sinica, 2024, 53(9): 0906001
Paper Information
Category: Fiber Optics and Optical Communications
Received: Jan. 26, 2024
Accepted: Mar. 28, 2024
Published Online: Nov. 13, 2024
The Author Email: XU Zhiniu (wzcnjxx@163.com)
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