1. Date of download: 6/1/2016 Copyright © 2016 SPIE. All rights reserved. Schematic diagram of the experimental setup. EFRL: erbium fiber ring laser; DFA: doped fiber amplifier; VOA: variable optical attenuator; OSA: optical spectrum analyzer. Figure Legend: From: Investigation of a 40-GHz supercontinuum source generated in a highly nonlinear fiber with large normal dispersion Opt. Eng. 2007;46(4):045005-045005-4. doi:10.1117/1.2720818

2. Date of download: 6/1/2016 Copyright © 2016 SPIE. All rights reserved. Evolution of a sech pulse at different propagation distances. Figure Legend: From: Investigation of a 40-GHz supercontinuum source generated in a highly nonlinear fiber with large normal dispersion Opt. Eng. 2007;46(4):045005-045005-4. doi:10.1117/1.2720818

3. Date of download: 6/1/2016 Copyright © 2016 SPIE. All rights reserved. Comparison of the SC spectra generated in the different schemes. Curves i, ii, and iii represent the SC spectra generated in the schemes without compressor, with a one-stage compressor, and with a two-stage compressor, respectively. Curve iv: the spectrum of the input pulse. Figure Legend: From: Investigation of a 40-GHz supercontinuum source generated in a highly nonlinear fiber with large normal dispersion Opt. Eng. 2007;46(4):045005-045005-4. doi:10.1117/1.2720818

4. Date of download: 6/1/2016 Copyright © 2016 SPIE. All rights reserved. (a) Measured fiber laser output spectrum with 10-dB bandwidth. (b) Measured SC spectrum in scheme i with 10-dB bandwidth. (c) Measured SC spectrum in scheme ii with 10-dB bandwidth. (d) Measured SC spectrum in scheme iii with 10-dB bandwidth. Figure Legend: From: Investigation of a 40-GHz supercontinuum source generated in a highly nonlinear fiber with large normal dispersion Opt. Eng. 2007;46(4):045005-045005-4. doi:10.1117/1.2720818

5. Date of download: 6/1/2016 Copyright © 2016 SPIE. All rights reserved. (a) The SC spectra of scheme iii with four cases: (1) ignoring the third dispersion of the two fibers, (2) considering the third dispersion of both the fibers, (3) considering the third dispersion of the HNLF only, and (4) considering the third dispersion of the SMF only. (b) The corresponding compressed pulses before entering the last-section HNLF. Figure Legend: From: Investigation of a 40-GHz supercontinuum source generated in a highly nonlinear fiber with large normal dispersion Opt. Eng. 2007;46(4):045005-045005-4. doi:10.1117/1.2720818