journal article·2021-12Open access

Optical‐Field‐Driven Electron Tunneling in Metal–Insulator–Metal Nanojunction

Shenghan Zhou, Xiangdong Guo, Ke Chen, Matthew Thomas Cole, Xiaowei Wang, Zhenjun Li, Jiayu Dai, Chi Li, Qing Dai

Advanced Science· Volume 8· Issue 24

Abstract

Abstract Optical‐field driven electron tunneling in nanojunctions has made demonstrable progress toward the development of ultrafast charge transport devices at subfemtosecond time scales, and have evidenced great potential as a springboard technology for the next generation of on‐chip “lightwave electronics.” Here, the empirical findings on photocurrent the high nonlinearity in metal–insulator–metal (MIM) nanojunctions driven by ultrafast optical pulses in the strong optical‐field regime are reported. In the present MIM device, a 14th power‐law scaling is identified, never achieved before in any known solid‐state device. This work lays important technological foundations for the development of a new generation of ultracompact and ultrafast electronics devices that operate with suboptical‐cycle response times.
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Research context

OpenAlex topics: Laser-Matter Interactions and Applications · Advanced Fiber Laser Technologies · Advanced Electron Microscopy Techniques and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

CAS Key Laboratory of Nanophotonic Materials and Devices CAS Key Laboratory of Standardization and Measurement for Nanotechnology CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 P. R. China

Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China

Department of Electronic and Electrical Engineering University of Bath Bath BA2 7AY UK

Department of Physics National University of Defense Technology Changsha 410073 P. R. China

GBA Research Innovation Institute for Nanotechnology Guangzhou 510700 P. R. China

Funding

National Natural Science Foundation of China · Chinese Academy of Sciences

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