We study rogue waves in an inhomogeneous nonlinear optical fiber with variable coefficients. An exact rogue wave solution that describes rogue wave excitation and modulation on a bright soliton pulse is obtained. Spec...We study rogue waves in an inhomogeneous nonlinear optical fiber with variable coefficients. An exact rogue wave solution that describes rogue wave excitation and modulation on a bright soliton pulse is obtained. Special properties of rogue waves on the bright soliton, such as the trajectory and spectrum, are analyzed in detail. In particular, our analytical results suggest a way of sustaining the peak shape of rogue waves on the soliton background by choosing an appropriate dispersion parameter.展开更多
The spatial rogue waves(RWs)generated by a wide Gaussian beam in a saturated nonlinear system are experimentally observed.Our observations show that RWs are most likely to occur when Gaussian light evolves to the crit...The spatial rogue waves(RWs)generated by a wide Gaussian beam in a saturated nonlinear system are experimentally observed.Our observations show that RWs are most likely to occur when Gaussian light evolves to the critical state of filament splitting,and then the probability of RWs decreases with voltage fluctuations.The occurrence probability of RWs after splitting is related to the nonlinear breathing phenomenon of optical filament,and the statistics of RWs satisfy the long-tailed L-shaped distribution.The experiment proves that the presence of high-frequency components and the aggregation of low-frequency components can serve as a prerequisite for the occurrence of extreme events(EEs).展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 11475135 and 11547302the Doctoral Program Funds of the Ministry of Education of China under Grant No 20126101110004
文摘We study rogue waves in an inhomogeneous nonlinear optical fiber with variable coefficients. An exact rogue wave solution that describes rogue wave excitation and modulation on a bright soliton pulse is obtained. Special properties of rogue waves on the bright soliton, such as the trajectory and spectrum, are analyzed in detail. In particular, our analytical results suggest a way of sustaining the peak shape of rogue waves on the soliton background by choosing an appropriate dispersion parameter.
基金This work was supported by the National Natural Science Foundation of China(No.12074207).
文摘The spatial rogue waves(RWs)generated by a wide Gaussian beam in a saturated nonlinear system are experimentally observed.Our observations show that RWs are most likely to occur when Gaussian light evolves to the critical state of filament splitting,and then the probability of RWs decreases with voltage fluctuations.The occurrence probability of RWs after splitting is related to the nonlinear breathing phenomenon of optical filament,and the statistics of RWs satisfy the long-tailed L-shaped distribution.The experiment proves that the presence of high-frequency components and the aggregation of low-frequency components can serve as a prerequisite for the occurrence of extreme events(EEs).
