Abstract
We theoretically simulate the modulation of chirped Gaussian vector solitons with group-velocity dispersion at 1-μm. Several different kinds of soliton pulse parameters are considered for variation under the condition of same central wavelength (1064 nm) and slightly different central wavelengths (1063 nm and 1065 nm). The change of these parameters will influence the output properties of pulse shapes and corresponding optical spectra in orthogonal directions. For example, with same central wavelength, “3 + 3″ pseudo-higher-order vector solitons can be generated by changing time delay. And dual-wavelength vector solitons with multiple peaks/dips can be generated in many cases when central wavelengths are slightly different. Our simulations explore the modulation of vector solitons with group-velocity dispersion, which is conductive to the study of vector solitons that exist in long-distance nonlinear optical fiber system.
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