Abstract
Supercontinuum (SC) generation in photonic crystal fiber (PCF) is demonstrated using an amplified femtosecond stretched pulses. The stretched pulse is obtained from a mode-locked Erbium-doped fiber laser and operates at 1564 nm with a repetition rate of 8.27 MHz and a pulse width of 340 fs. Using a 50 m long PCF, broad SC spectra are observed starting from 1220 and 1050 nm for the corresponding 5.1 and 177 kW pump and spanning a wavelength region of more than 1750 nm. At a maximum peak pump power of 177 kW, flat SC which extends over bandwidths of 660 and 486 nm are obtained using 50 and 100 m piece of PCF respectively. However, the output power level is higher for the 100 m PCF especially at longer wavelength region.
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Harun, S.W., Akbari, R., Arof, H. et al. Supercontinuum generation in photonic crystal fiber using femtosecond pulses. Laser Phys. 21, 1215–1218 (2011). https://doi.org/10.1134/S1054660X11130135
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DOI: https://doi.org/10.1134/S1054660X11130135