Static third-harmonic lines in widely variable fiber continuum generation.
Static third-harmonic lines in widely variable fiber continuum generation.
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宽变光纤连续谱产生中的静态三次谐波线。
DOI：
10.1103/physreva.89.013813
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发表时间：
2014
期刊：
影响因子：
--
通讯作者：
Boppart,StephenA
中科院分区：
文献类型：
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作者：
Tu,Haohua;Zhao,Youbo;Liu,Yuan;Boppart,StephenA
光纤连续谱下三次谐波产生的一个有趣现象是非谐波信号的发射。对这种效应的一种流行解释已经发展成为光纤三次谐波产生的一般理论。在这里，我们产生的“静态”三次谐波线完全由光纤特性决定，与泵浦参数无关，与所有已知的相位匹配非线性光学过程的信号相比，这些信号随这些参数动态变化。我们认为，非谐波信号是连续统产生的错觉，它实际上是谐波的，这一理论应该重新评估。
An intriguing phenomenon of third-harmonic generation under fiber continuum generation is the emission of an anharmonic signal. One popular interpretation of this effect has developed into a general theory of fiber third-harmonic generation. Here we produce “static” third-harmonic lines dictated fully by fiber properties independent of pump parameters, in contrast to the signals of all known phase-matched nonlinear optical processes that vary dynamically with these parameters. We argue that the anharmonic signal is an illusion of the continuum generation, that it is in fact harmonic, and that this theory should be reevaluated.