单层金属层中的高速等离子体调制器

上传 / 管理员 ·2017-11-12 物理学,电磁学,单层金属层,调制器

论文标题 / High-speed plasmonic modulator in a single metal layer

作者 / Masafumi Ayata, Juerg Leuthold, et al.

期刊 / Science

发表时间 / 2017-11-03

数字识别码 / 10.1126/science.aan5953

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【论文摘要】

Plasmonics provides a possible route to overcome both the speed limitations of electronics and the critical dimensions of photonics. We present an all-plasmonic 116–gigabits per second electro-optical modulator in which all the elements—the vertical grating couplers, splitters, polarization rotators, and active section with phase shifters—are included in a single metal layer. The device can be realized on any smooth substrate surface and operates with low energy consumption. Our results show that plasmonics is indeed a viable path to an ultracompact, highest-speed, and low-cost technology that might find many applications in a wide range of fields of sensing and communications because it is compatible with and can be placed on a wide variety of materials.

 

科研圈

(导读 葛鹏)表面等离子体为克服电子器件的速度和尺寸限制提供了新的途径。本研究展示了一种速度达 116 千兆比特每秒的全等离子体电光调制器,其中包含的垂直光栅耦合器、分配器、偏振旋转器、移相器有效截面等所有元素均在单层金属层中。该器件可以基于多种衬底表面,且耗能低,因此在传感和通信领域的用途将非常广泛。

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