Synthesized soliton crystals

Zhizhou Lu, Hao-Jing Chen, Weiqiang Wang, Lu Yao, Yang Wang, Yan Yu, B. E. Little, S. T. Chu, Qihuang Gong, Wei Zhao, Xu Yi, Yun-Feng Xiao () and Wenfu Zhang ()
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Zhizhou Lu: Chinese Academy of Sciences
Hao-Jing Chen: Peking University
Weiqiang Wang: Chinese Academy of Sciences
Lu Yao: Peking University
Yang Wang: Chinese Academy of Sciences
Yan Yu: Peking University
B. E. Little: Chinese Academy of Sciences
S. T. Chu: City University of Hong Kong
Qihuang Gong: Peking University
Wei Zhao: Chinese Academy of Sciences
Xu Yi: University of Virginia
Yun-Feng Xiao: Peking University
Wenfu Zhang: Chinese Academy of Sciences

Nature Communications, 2021, vol. 12, issue 1, 1-7

Abstract: Abstract Dissipative Kerr soliton (DKS) featuring broadband coherent frequency comb with compact size and low power consumption, provides an unparalleled tool for nonlinear physics investigation and precise measurement applications. However, the complex nonlinear dynamics generally leads to stochastic soliton formation process and makes it highly challenging to manipulate soliton number and temporal distribution in the microcavity. Here, synthesized and reconfigurable soliton crystals (SCs) are demonstrated by constructing a periodic intra-cavity potential field, which allows deterministic SCs synthesis with soliton numbers from 1 to 32 in a monolithic integrated microcavity. The ordered temporal distribution coherently enhanced the soliton crystal comb lines power up to 3 orders of magnitude in comparison to the single-soliton state. The interaction between the traveling potential field and the soliton crystals creates periodic forces on soliton and results in forced soliton oscillation. Our work paves the way to effectively manipulate cavity solitons. The demonstrated synthesized SCs offer reconfigurable temporal and spectral profiles, which provide compelling advantages for practical applications such as photonic radar, satellite communication and radio-frequency filter.

Date: 2021
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DOI: 10.1038/s41467-021-23172-2

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