Time-resolved imaging of mode-conversion process of terahertz transients in subwavelength waveguides
文献类型：期刊论文
| 作者 | Y.Lu; Q.Wu; Q.Zhang; R.D.Wang; B.Zhang; W.J.Zhao; D.Zhang |
| 刊名 | Frontiers of Physics
 |
| 出版日期 | 2019 |
| 卷号 | 14期号:4页码:5 |
| 关键词 | ultrafast phenomenon,mode conversion,subwavelength waveguides,terahertz waves,raman-scattering,thz,wavelength,frequency,Physics |
| ISSN号 | 2095-0462 |
| DOI | 10.1007/s11467-019-0892-5 |
| 英文摘要 | We studied the mode-conversion process of terahertz pulses from a planar subwavelength waveguide to a tilted rectangular subwavelength waveguide. An unusual wavefront rotation, which led to an extra conversion time, was observed using a time-resolved imaging technique. We simulated the mode conversion process by a finite-difference time-domain method, and the results agreed well with the experiments. According to the simulations, the conversion time was demonstrated to become longer as the tilt angle or width of the rectangular waveguide increased. This work provides the possibility to optimize the future high-speed communications and terahertz integrated platforms. |
| 语种 | 英语 |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/63157]  |
| 专题 | 中国科学院长春光学精密机械与物理研究所 |
| 推荐引用方式 GB/T 7714 | Y.Lu,Q.Wu,Q.Zhang,et al. Time-resolved imaging of mode-conversion process of terahertz transients in subwavelength waveguides[J]. Frontiers of Physics,2019,14(4):5. |
| APA | Y.Lu.,Q.Wu.,Q.Zhang.,R.D.Wang.,B.Zhang.,...&D.Zhang.(2019).Time-resolved imaging of mode-conversion process of terahertz transients in subwavelength waveguides.Frontiers of Physics,14(4),5. |
| MLA | Y.Lu,et al."Time-resolved imaging of mode-conversion process of terahertz transients in subwavelength waveguides".Frontiers of Physics 14.4(2019):5. |
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