Researching | Brillouin Gain Spectrum Characteristics of Photonic Crystal Fibers

Acta Optica Sinica, Volume. 39, Issue 6, 0619001(2019)

Brillouin Gain Spectrum Characteristics of Photonic Crystal Fibers

Yuhang Pan, Yuangang Lu^*, Jianqin Peng, Haixia Ma, and Jiming Wang

Author Affiliations

Department of Applied Physics, College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 211106, China

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Figures&Tables (14)

References (46)

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Figures & Tables(14)

Fig. 1. Schematic of photonic crystal fiber. (a) Cross-sectional view; (b) detail view

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Fig. 2. Optical mode overall view of PCF

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Fig. 3. Parameter range of single-mode PCF

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Fig. 4. Comparison of experiment and simulation results in different fibers. (a) RB65; (b) RB61

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Fig. 5. BGSs with different air hole layers

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Fig. 6. Simulation results of PCF. (a) Brillouin gain; (b) acoustic mode number

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Fig. 7. BGSs of PCF with different parameters

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Fig. 8. Enlarged views of 1st and 2nd spectra in Fig. 7. (a) 1st spectrum; (b) 2nd spectrum

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Fig. 9. PCF with different aperture diameters

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Fig. 10. BGS of 4th PCF in table 2

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Fig. 11. BGS of PCF with finer air hole size

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Table 1. Detailed parameters of PCF[23]
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Table 1. Detailed parameters of PCF[23]
Fiber Λ /μm d /μm Layer number
RB65 2.35 1.15 6
RB61 4.90 1.85 5

Table 2. Several PCFs with different aperture diameters
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Table 2. Several PCFs with different aperture diameters
PCF number Λ /μm ${d_{1}}_{}$ /μm ${d_{2}}_{}$ /μm ${d_{3}}_{}$ /μm
1 1.2 0.7 0.8 0.9
2 1.2 0.6 0.7 0.8
3 1.0 0.6 0.7 0.8
4 1.0 0.5 0.6 0.7

Table 3. Influence of manufacturing error
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Table 3. Influence of manufacturing error
Manufacturing error ${d_{1}}_{}$ /μm ${d_{2}}_{}$ /μm ${d_{3}}_{}$ /μm Peak relative power ${Δ_{SNR}}_{}$ /times
peak 1 /dB peak 2 /dB
Smaller 0.27 0.36 0.45 0 -7.2 2.6
Bigger 0.33 0.44 0.55 0 -8.6 2.3

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Yuhang Pan, Yuangang Lu, Jianqin Peng, Haixia Ma, Jiming Wang. Brillouin Gain Spectrum Characteristics of Photonic Crystal Fibers[J]. Acta Optica Sinica, 2019, 39(6): 0619001

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Paper Information

Category: Nonlinear Optics

Received: Jan. 2, 2019

Accepted: Feb. 26, 2019

Published Online: Jun. 17, 2019

The Author Email: Lu Yuangang (luyg@nuaa.edu.cn)

DOI:10.3788/AOS201939.0619001

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology