Journal
OPTICS EXPRESS
Volume 31, Issue 21, Pages 34100-34111Publisher
Optica Publishing Group
DOI: 10.1364/OE.501721
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This study presents a novel method for automatically and precisely reproducing targeted soliton states in a mode-locked fiber laser using deep learning informed by spectrotemporal domain. The reproduction algorithm combines pulse information in both spectral and temporal domains, achieving successful replication of targeted solitons and advancing ultrafast laser technology.
The accurate reproduction of unique pulse states in a mode-locked fiber laser is an important scientific issue and has wide applications in the laser industry. We present what we believe to be a novel method for automatically and precisely reproducing targeted soliton states in a mode-locked fiber laser by spectrotemporal domain-informed deep learning. Targeted solitons are experimentally reproduced via a superior matching process with a spectrotemporal mean square error (MSE) of 3.99 x 10(-5). The outstanding feature of our reproduction algorithm is that the pulse information in both the spectral and temporal domains is jointly adopted for reconstructing targeted soliton states from white noise, rather than establishing arbitrary mode-locked pulse states, as described in previous studies. Additionally, a single-layer perceptron model is proposed to retrieve the phase distribution of a mode-locked pulse, validating the physical completeness of our reproduction approach. Our approach advances ultrafast laser technology, enabling the precise control of pulse dynamics in applications such as optical communication and nonlinear optics. (c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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