Fig. 1. (a) Schematic arrangement of SBS in a fiber of length L. Pump and probe configuration: A1(z)—continuous wave, A2(z)—probe wave. (b) Schematic distribution of the pump and probe intensities during SBS.

Fig. 2. Relative error of linear approximation of 3D parametric model of output CW. L=1000  m, 0<Ppump<10  mW, 0<Pprobe<40  mW.

Fig. 3. Relative error of quadratic approximation of 3D parametric model of output CW. L=1000  m, 0<Ppump<10  mW, 0<Pprobe<40  mW.

Fig. 4. Linear approximation of 3D parametric model of output CW. Dimensionless output intensity of the CW versus dimensionless parameters β1 and β3. γe=0.902, v=5616  m/s, n=1.48, λ=1.319  μm, ρ0=2.21  g/cm3, ΓB=0.1  GHzL=1000  m, 0<Ppump<10  mW, 0<Pprobe<40  mW.

Fig. 5. Linear approximation of 3D parametric model of output PW. Dimensionless output intensity of the PW versus dimensionless parameters β1 and β3. γe=0.902, v=5616  m/s, n=1.48, λ=1.319  μm, ρ0=2.21  g/cm3, ΓB=0.1  GHzL=1000  m, 0<Ppump<10  mW, 0<Pprobe<40  mW.

Fig. 6. Analytical results, normalized intensity units. PPW (mW) = ○ 0.01; ▵ 1.8; × 6.6; ◻ 12.1; ▿ 17.1; + 22.4; * 27.2; --- 31.8; ─ 36.3. n=1.48, γe=0.902, λ=1319  nm, ρ0=2.21  g/cm3, v=5616  m/s, L=1000  m, ΓB=0.1  GHz, PCW=1.0  mW.

Fig. 7. Pump depletion as a function of probe spectral distortion. PPW (mW) = ○ 0.01; ▵ 1.8; × 6.6; ◻ 12.1; ▿ 17.1; + 22.4; * 27.2; ▪ 31.8; ♦ 36.3. n=1.48, γe=0.902, λ=1319  nm, ρ0=2.21  g/cm3, v=5616  m/s, L=1000  m, ΓB=0.1  GHz, PCW=1.0  mW.

Fig. 8. Shaded area depicts range of β1 and β3 values that yield curvatures within 20% of the Lorentz curvature for both CW and PW spectra.

Fig. 9. Experimental setup.

Fig. 10. Experimental results, normalized intensity units. PPW (mW) = ○ 0.01; ▵ 1.8; × 6.6; ◻ 12.1; ▿ 17.1; + 22.4; * 27.2; --- 31.8; ─ 36.3. n=1.48, γe=0.902, λ=1319  nm, ρ0=2.21  g/cm3, v=5616  m/s, L=1000  m, ΓB=0.1  GHz, PCW=1.0  mW.