光学
太赫兹辐射
圆极化
极化(电化学)
激光器
激发
材料科学
相干控制
石墨烯
光电子学
物理
化学
物理化学
量子力学
纳米技术
微带线
作者
Yuhang He,Yuxuan Chen,Xiangyu La,Chenyin Dai,Zhen Tian,Jianming Dai
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2024-07-10
卷期号:49 (15): 4469-4469
摘要
Coherent polarization control of terahertz (THz) emission is crucial for applications in the THz field. Here, we demonstrate that the polarization of THz waves emitted from graphene through quantum interference can be coherently controlled by varying the relative phase between the co-circularly polarized laser fields. The polarization state of the THz wave emitted from graphene remains linearly polarized, while its direction can be arbitrarily changed by varying the relative phase. This work not only achieves the coherent polarization control of the THz waves emitted from graphene but also promotes the fundamental research of THz photonics in graphene.
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