双折射
宽带
电介质
材料科学
极化(电化学)
光电子学
波长
圆极化
偏振旋转器
光学
物理
化学
微带线
物理化学
作者
Souvik Biswas,Meir Grajower,Kenji Watanabe,Takashi Taniguchi,Harry A. Atwater
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2021-10-22
卷期号:374 (6566): 448-453
被引量:85
标识
DOI:10.1126/science.abj7053
摘要
Metasurfaces tune polarization In photonic systems, the polarization state of light is typically manipulated with bulky components based on dielectrics and liquid crystals. Active metasurfaces now provide the possibility of shrinking the size of these components to the nanoscale. Biswas et al . demonstrate an active nanophotonic structure capable of versatile electro-optic polarization conversion. Using trilayer black phosphorus sandwiched between electrical gates forming a cavity, they show that the polarization state of light across telecommunication wavelengths can be electrically switched. Such control can be useful for a number of applications in communications, imaging, and beam steering where the wavefront of the propagating light can be actively manipulated. —ISO
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