Topological optical differentiator

• Published in: Nature communications Vol. 12; no. 1; pp. 680 - 8
• Main Authors: Zhu, Tengfeng, Guo, Cheng, Huang, Junyi, Wang, Haiwen, Orenstein, Meir, Ruan, Zhichao, Fan, Shanhui
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 29.01.2021; Nature Publishing Group; Nature Portfolio
• Subjects: 639/624/1075; 639/624/399; 639/624/400; 639/766/930/2735; Broadband; Charge transfer; Computation; Data processing; Differentiation; Edge detection; Electric fields; Electrical engineering; Humanities and Social Sciences; Image processing; Information processing; Laboratories; multidisciplinary; Optical transfer function; Photonics; Power consumption; Propagation; Science; Science (multidisciplinary); Topology

Optical computing holds significant promise of information processing with ultrahigh speed and low power consumption. Recent developments in nanophotonic structures have generated renewed interests due to the prospects of performing analog optical computing with compact devices. As one prominent exa...