Multipulse bound solitons with fixed pulse separations formed by direct soliton interaction
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- Tang, D., Zhao, L. & Zhao, B. Appl. Phys. B (2005) 80: 239. doi:10.1007/s00340-004-1685-1
We present experimental evidence of multipulse bound solitons with fixed pulse separations in a dispersion-managed passively mode-locked fiber ring laser. The bound solitons are formed by the direct soliton interaction and are strongly stable. Although formed under different experimental conditions, various multipulse bound solitons were found to have exactly the same fixed pulse separations. Bound states of the multipulse bound solitons were also experimentally obtained, which suggest that the multipulse in a bound soliton behaves as a unit. They together could be treated as a new form of soliton.