科研之友
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摘要
Specific features of difference-frequency generation of terahertz radiation in the regime of parametric microwave generation in a nonlinear crystal are investigated. It is suggested to use a periodic stripe structure formed in the crystal to achieve phase matching. The dynamics of the wave at difference frequency, which falls into terahertz or far-IR spectral region, is determined based on solution of the set of parametric interaction equations taking into consideration quadratic and cubic nonlinearities.
- 出版日期2014-7
