Abstract
In this paper, the comparison of theoretical analysis and numerical simulation in conversion efficiency, bandwidth, frequency difference and multichannel propagation are expatiated distinctly according to the conversion principle and structure model of SP-cSHG+DFG-DC-AOWC (Single Pass All Optical Wavelength Converter Based on Cascaded Second Harmonic Generation and Difference Frequency Generation with Double Conversion Configuration) and SP-cSFG+DFG-DC-AOWC (Single Pass All Optical Wavelength Converter Based on Cascaded Sum Frequency Generation and Difference Frequency Generation with Double Conversion Configuration). Furthermore, it is pointed out that the structure model of SP-cSFG+DFG-DC-AOWC will be an ideal one due to its characteristics and advantages in conversion efficiency, bandwidth, frequency difference and multichannel propagation.
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