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Modeling of four-wave mixing and supercontinuum with long pulses in photonic crystal fibers

Wang Yan-Bin Hou Jing Lu Qi-Sheng Peng Yang Chen Zi-Lun Xiong Chun-Le

Modeling of four-wave mixing and supercontinuum with long pulses in photonic crystal fibers

Wang Yan-Bin, Hou Jing, Lu Qi-Sheng, Peng Yang, Chen Zi-Lun, Xiong Chun-Le
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  • Received Date:  09 March 2010
  • Accepted Date:  28 March 2010
  • Published Online:  15 January 2011

Modeling of four-wave mixing and supercontinuum with long pulses in photonic crystal fibers

  • 1. (1)College of Optoelectric Science and Engineering, National University of Defense and Technology, Changsha 410073, China; (2)School of Physics, University of Sydney, Sydney 2006, Australia

Abstract: We numerically investigated four-wave mixing (FWM) and supercontinuum generation in photonic crystal fibers (PCFs) in the long pump pulse scheme for the first time. We showed that simply based on phase-matching condition and energy conservation with quasi-continuous-wave approximation, one can theoretically determine the FWM signal and idler wavelengths with pump in the normal-dispersion regime, and the two symmetrical modulation instability sidebands with pump in the anomalous-dispersion regime. Using adaptive split-step Fourier method, we quantitatively simulated FWM and supercontinuum generation in PCFs with different dispersion profiles when pumping with a 1064 nm sub-nanosecond laser. Our simulation results agree with the experimental results very well.

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