BLSTM convolution and self-attention network enabled recursive and direct prediction for optical chaos

Author:

Wang Yangyundou1ORCID,Ma Chen1,Hu Chuanfei2,Gao Dawei1ORCID,Fan Yuanlong1ORCID,Shao Xiaopeng1

Affiliation:

1. Xidian University

2. Southeast University

Abstract

Chaotic time series prediction has attracted much attention in recent years because of its important applications, such as security analysis for random number generators and chaos synchronization in private communications. Herein, we propose a BLSTM convolution and self-attention network model to predict the optical chaos. We validate the model’s capability for direct and recursive prediction, and the model dramatically reduces the accumulation of errors. Moreover, the time duration prediction of optical chaos is increased with comparative accuracy where the predicted sequence length reaches 4 ns with normalized mean squared error (NMSE) of less than 0.01.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Xidian University Hangzhou Institute of Technology

Publisher

Optica Publishing Group

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