Daisy Williams, Xiaoyi Bao, Liang Chen, "Effects of polarization on stimulated Brillouin scattering in a birefringent optical fiber," Photonics Res. 2, 126 (2014)
- Photonics Research
- Vol. 2, Issue 5, 126 (2014)
Fig. 1. Schematic arrangement of SBS in an optical fiber of length L: E 1 x E 1 y E 2 x E 2 y
Fig. 2. (a) Output pump spectrum. (b) Output Stokes spectrum. Birefringence Δ n : * 10 − 4 10 − 5 10 − 6 L = 1000 m P 1 x 0 = 0.5 mW P 1 y 0 = 0.5 mW P 2 x 0 = 0.5 mW P 2 y 0 = 0.5 mW
Fig. 3. Brillouin shift dependence on beat length; L = 1000 m P 1 x 0 = 0.9 mW P 1 y 0 = 0.1 mW P 2 x 0 = 0.9 mW P 2 y 0 = 0.1 mW P 1 x 0 = 0.5 mW P 1 y 0 = 0.5 mW P 2 x 0 = 0.5 mW P 2 y 0 = 0.5 mW
Fig. 4. Left: output pump spectrum. Right: output Stokes spectrum. (a), (b) steady state; (c), (d) 240 ns pulse; (e), (f) 79 ns pulse; birefringence Δ n = 10 − 4 L = 1 km P 1 x 0 = 10.0 mW P 1 y 0 = 1.0 mW P 2 x 0 = 10.0 mW P 2 y 0 = 1.0 mW P 1 x 0 = 10.9 mW P 1 y 0 = 0.1 mW P 2 x 0 = 10.9 mW P 2 y 0 = 0.1 mW P 1 x 0 = 10.0 mW P 1 y 0 = 1.0 mW P 2 x 0 = 10.0 mW P 2 y 0 = 1.0 mW
Fig. 5. (a) x y Δ n : * 10 − 4 10 − 5 10 − 6 L = 1000 m P 1 x 0 = 10.0 mW P 1 y 0 = 1.0 mW P 2 x 0 = 10.0 mW P 2 y 0 = 1.0 mW
Fig. 6. (a) Output pump spectrum. (b) Output Stokes spectrum. Birefringence Δ n 10 − 6 10 − 6 L = 1000 m 10 − 6 10 − 6 10 − 10 P 1 x 0 = 1.0 mW P 1 y 0 = 1.0 mW P 2 x 0 = 1.0 mW P 2 y 0 = 80.0 mW
Fig. 7. (a) Output pump spectrum. (b) Output Stokes spectrum. Birefringence Δ n 10 − 6 10 − 6 L = 1000 m 10 − 6 10 − 6 10 − 10 P 1 x 0 = 10.0 mW P 1 y 0 = 1.0 mW P 2 x 0 = 60.0 mW P 2 y 0 = 1.0 mW
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