.png){kind=icon}
返回
Analogue Optical Spatiotemporal Differentiator
.png){kind=icon}
PRE
AI
DOI：10.1002/adom.202002088.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
As a significant part in optical computation, analogue optical spatial/temporal differentiators could play a great role in all-optical signal processing, feature extraction, and optical storage. In the past few years, they have experienced rapid development but mostly for a single function. For many scenarios, optical computation with integrated functionalities is highly desired. In this work, an analogue optical spatiotemporal differentiator utilizing all-dielectric multilayer is proposed. The film stack is specifically engineered to satisfy the requirements for both spatial and temporal transfer functions of the ideal differentiator. The time-space performance of the device is numerically examined from the output field profile of the classical Gaussian beam or pulse. A wavelength-scale high resolution for edge detection is attained using the integrated differentiator. This work may pave a potential way to establish ultracompact, high-bandwidth, and real-time optical multiple functional computation systems.
Keyword:
edge detection
multilayer films
optics in computing
signal processing
spatiotemporal differentiation
AI总结
对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。