Fig. 1. Schematic of proposed scheme

Fig. 2. Time series and corresponding ACF curve of chaotic laser from S-DFB-SL when τ1=2.78 ns. (a) Time series; (b) ACF curve

Fig. 3. Time series and corresponding ACF curve of chaotic laser from S-DFB-SL when τ1=2.88 ns. (a) Time series; (b) ACF curve

Fig. 4. Variation of β with P

Fig. 5. Variation of β with kin

Fig. 6. Variation of β with Δf

Fig. 7. (a)(c)(e) Time series plots and (b)(d)(f) corresponding power spectra of chaotic laser from S-DFB-SL

Fig. 8. Variation of bandwidth of chaotic laser with kin

Fig. 9. Variation of bandwidth of chaotic laser with P

Fig. 10. Variation of bandwidth of chaotic laser with Δf