Based on the modulation instability of light pulse in the birefringence stepwise decreasing fiber,modulation instability gain as a function of propagation distance are studied.The results show that THz pulse can be separated and obtained by use of relation between modulation instability gain and propagation distance in strong birefringence fibers and in weak birefringence fibers
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贾维国,包红梅,迎舂,周彦勇,樊国梁.双折射色散阶跃光纤中太赫兹脉冲的提取[J].激光与红外,2007,37(7):664~668 JIA Wei-guo, BAO Hong-mei, YING Chong, ZHOU Yan-yong, FANG Guo-liang. Abstract of THz Pulse in Birefringence Stepwise Decreasing Fibers[J]. LASER & INFRARED,2007,37(7):664~668