Fig. 1. The index profile of the proposed photonic crystal fiber

Fig. 2. The optical field and the acoustic field distribution

Fig. 3. The normalized gain coefficient of FSBS

Fig. 4. The normalized refractive index and the group index of FSBS.

Fig. 5. Dependence of the time advancement on the transmission length and pump power

Fig. 6. Dependence of the pulse broadening factor B on the initial pulse width and the pump power

Fig. 7. The waveforms of output induced by fast light of FSBS