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- W3195154920 abstract "All-optical spatial frequency filtering has a long history with many applications now commonly replaced with digital alternatives. Although optical approaches are attractive in that they minimize energy requirements and images can be manipulated in real time, they are relatively bulky compared to the compact electronic devices that are now ubiquitous. With emerging interest in nanophotonic approaches to all-optical information processing, these approaches to enhancing images and performing phase visualization are attracting significant interest. Metasurfaces have been demonstrated as tailored alternatives to conventional spatial filters, but utilizing the spatial frequency sensitivity of these and thin film devices also has the potential to form the basis for ultracompact approaches to image processing. There are, however, significant challenges remaining to realize this promise. This review summarizes the current status of research in this rapidly growing field, places it in the context of the history of all-optical spatial filtering, and assesses prospects for future directions." @default.
- W3195154920 created "2021-08-30" @default.
- W3195154920 creator A5001678639 @default.
- W3195154920 creator A5030101968 @default.
- W3195154920 creator A5083043357 @default.
- W3195154920 date "2021-08-19" @default.
- W3195154920 modified "2023-10-07" @default.
- W3195154920 title "Meta-optical and thin film devices for all-optical information processing" @default.
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