Effects of gain saturation on terahertz radiation via optical difference frequency generation

Effects of gain saturation on terahertz radiation via optical difference frequency generation
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通过光学差频生成增益饱和对太赫兹辐射的影响

DOI:
10.1016/j.optcom.2010.01.072
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发表时间:
2010-06
影响因子:
2.4
通讯作者:
--
中科院分区:
物理与天体物理3区
文献类型:
--
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对非线性晶体差频产生太赫兹辐射的稳定性进行了数值研究。当增益饱和的波长对应于最佳的晶体长度时,可以获得最大的太赫兹辐射输出。由于晶体的吸收,太赫兹辐射的增益饱和区是输出的不稳定区。太赫兹辐射的稳定性取决于增益饱和后稳定区泵浦的稳定性。
Numerical studies on stability of terahertz (THz) radiation generation based on difference frequency generation in nonlinear crystals are reported. When the gain saturation is achieved at a wavelength that corresponds to an optimal crystal length, the maximal output of THz radiation could be obtained. As a result of crystal absorption, the gain saturation region of THz radiation is unstable region for output. The stability of THz radiation is determined by the stability of pump in the stable region where behind of the gain saturation.
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