Enhanced Terahertz Wave Generation via Stokes Wave Recycling in Non-Synchronously Picosecond Pulse Pumped Terahertz Source
Enhanced Terahertz Wave Generation via Stokes Wave Recycling in Non-Synchronously Picosecond Pulse Pumped Terahertz Source
复制标题
通过非同步皮秒脉冲泵浦太赫兹源中斯托克斯波回收增强太赫兹波产生
DOI:
10.1109/jphot.2019.2934488
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发表时间:
2019-08
影响因子:
2.4
通讯作者:
Yao Jianquan
中科院分区:
文献类型:
--
作者:
Yan Chao;Xu Degang;Wang Yuye;Wang Zhaohua;Wei Zhiyi;Tang Longhuang;He Yixin;Li Jining;Zhong Kai;Shi Wei;Yao Jianquan
Enhanced terahertz wave generation via Stokes wave recycling in a non-synchronously picosecond pulse pump configuration has been demonstrated. It is theoretically analyzed that under the condition of high pump peak power density, the oscillation of the strong 1st order Stokes wave could benefit the higher order Stokes wave emission and terahertz wave generation. In the experiment, 5.71 times enhancement of terahertz wave generation was obtained via Stokes wave recycling in the non-synchronously picosecond pulse pumped terahertz parametric generator compared with the conventional single-pass terahertz parametric generation. The maximum terahertz wave average power was 61.7 μW under the pump power of 20 W and the cavity length of 170 mm, while the maximum power conversion efficiency was 3.085 × 10−6.
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