All-optical ultrafast polarization switching of terahertz radiation by impulsive molecular alignment

Min Li; Haifeng Pan; Yuqi Tong; Cheng Chen; Yi Shi; Jian Wu; Heping Zeng

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All-optical ultrafast polarization switching of terahertz radiation by impulsive molecular alignment

机译：脉冲分子对准的太赫兹辐射全光超快偏振转换

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We experimentally demonstrate ultrafast polarization switching of terahertz (THz) radiation generated by dual-color driving pulses composed of orthogonally polarized fundamental and second-harmonic waves, which can be controlled by field-free molecular alignment in air by modulating the relative phase between the two field components as a transient dynamic wave plate. By fine-tuning the time delay to properly match the molecular alignment revivals, a significant polarization modulation of the THz radiation is observed and both linearly and elliptically polarized THz radiations can be obtained.

机译：我们通过实验证明了由正交偏振的基波和二次谐波组成的双色驱动脉冲产生的太赫兹（THz）辐射的超快偏振切换，可以通过调制两者之间的相对相位通过空气中的无场分子排列来控制场分量作为瞬态动态波片。通过微调时间延迟以正确匹配分子排列的恢复，可以观察到太赫兹辐射的明显偏振调制，并且可以获得线性和椭圆偏振的太赫兹辐射。

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《Optics Letters》 |2011年第18期|共3页
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Min Li; Haifeng Pan; Yuqi Tong; Cheng Chen; Yi Shi; Jian Wu; Heping Zeng;
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1. All-optical ultrafast polarization switching of terahertz radiation by impulsive molecular alignment [J] . Min Li, Haifeng Pan, Yuqi Tong, Optics Letters . 2011,第18期

机译：脉冲分子对准的太赫兹辐射全光超快偏振转换
2. Spatiotemporal Terahertz Metasurfaces for Ultrafast All-Optical Switching with Electric-Triggered Bistability [J] . Hu Yuze, Tong Mingyu, Xu Zhongjie, Laser & photonics reviews . 2021,第3期

机译：用于超快的Spatiotemporal Terahertz Metasurface，具有电动触发的双稳态性能
3. Solution-Processed Lead Iodide for Ultrafast All-Optical Switching of Terahertz Photonic Devices [J] . Manjappa Manukumara, Solanki Ankur, Kumar Abhishek, Advanced Materials . 2019,第32期

机译：用于太赫兹光子器件超快全光切换的溶液处理碘化铅
4. Nanoresonator Enabled Ultrafast All-optical Terahertz Switching Based on Vanadium Dioxide Thin Film [C] . J. S. Kyoung, S. B. Choi, H. S. Kim, International Conference on the Physics of Semiconductors . 2011

机译：基于二氧化钒薄膜的纳米腔内使Ultrafast全光学太赫兹切换
5. Ultrafast all-optical switching based on indium gallium arsenic phosphide grown by helium plasma-assisted molecular beam epitaxy. [D] . Qian, Li. 2000

机译：基于氦等离子体辅助分子束外延生长的磷化铟镓砷的超快全光切换。
6. All-optical active THz metasurfaces for ultrafast polarization switching and dynamic beam splitting [O] . Longqing Cong, Yogesh Kumar Srivastava, Huifang Zhang, 2018

机译：全光有源太赫兹超表面用于超快偏振切换和动态分束
7. All-optical active THz metasurfaces for ultrafast polarization switching and dynamic beam splitting [O] . Longqing Cong, Yogesh Kumar Srivastava, Huifang Zhang, 2018

机译：全光活性THZ元件，用于超快偏振切换和动态束分裂

All-optical ultrafast polarization switching of terahertz radiation by impulsive molecular alignment

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