Parallelized and Cascadable Optical Logic Operations by Few-Layer Diffractive Optical Neural Network

被引：5
|
作者：
Liu, Xianjin [1 ,2 ]
Zhang, Dasen [1 ,2 ]
Wang, Licheng [1 ,2 ]
Ma, Ting [1 ,2 ]
Liu, Zhenzhen [1 ,2 ]
Xiao, Jun-Jun [1 ,2 ]
机构：
[1] Harbin Inst Technol Shenzhen, Coll Elect & Informat Engn, Shenzhen 518055, Peoples R China
[2] Harbin Inst Technol Shenzhen, Shenzhen Engn Lab Aerosp Detect & Imaging, Shenzhen 518055, Peoples R China
来源：
PHOTONICS | 2023年 / 10卷 / 05期
关键词：
diffractive optical neural network; parallel logic operation; multiple bits;
D O I：
10.3390/photonics10050503
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical computing has gained much attention due to its high speed, low energy consumption, and the fact that it is naturally parallelizable and multiplexable, etc. Single-bit optical logic gates based on a four-hidden-layer diffractive optical neural network (DONN) have been demonstrated with paired apertures. Here, we show a parallel-logic operation strategy based on two-hidden-layer DONN, showcasing their efficiency by multiple-bit (up to 16-bit) optical logic (e.g., NAND) operations. In addition, we demonstrate how NAND-DONN units can be utilized to achieve NOR and AND operations by flipping and cascading the DONN.
引用
收藏
页数：11
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