图 13
(a) 拉曼效应下纯四次孤子的峰值功率(黑点)与泵浦功率(红色虚线)的关系(呼吸状态由灰色区域显示); (b) 稳定状态(泵浦功率为1 W, 6 W)和 (c) 呼吸状态(泵浦功率为4 W)的时域脉冲及其相应相位(红线); (d) 4 W泵浦功率下拉曼纯四次孤子呼吸的典型频谱; (e) 呼吸状态谱能量演化(白色虚线表示不同段的光谱能量峰值)[52]
Fig. 13.
(a)The relationship between peak power (black dot) and pump power (red dashed line) of Raman pure-quartic solitons (the breathing state is shown by the gray area); (b) time domain pulses in stable state (pump powers are 1 W and 6 W) and (c) breathing state (pump power is 4 W) and corresponding phases (red line); (d) typical breathing spectrum of Raman pure-quartic solitons at pump power of 4 W; (e) energy evolution of the breathing spectrum (the white dotted lines indicate the spectral energy peaks in different segments)[52].
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