☆ 4.8 Article

Synthesized soliton crystals

NATURE COMMUNICATIONS (2021)

Journal

NATURE COMMUNICATIONS

Volume 12, Issue 1, Pages -

Publisher

NATURE RESEARCH

DOI: 10.1038/s41467-021-23172-2

Keywords

Funding

National Key R&D Program of China [2016YFA0301302, 2018YFB2200401]
National Natural Science Foundation of China [11825402, 11654003, 62075238, 12041602, 61635013, 61675231]
Beijing Municipal Science & Technology Commission [Z201100004020007]
Beijing Academy of Quantum Information Sciences [Y18G20]
Key R&D Program of Guangdong Province [2018B030329001]
Strategic Priority Research Program of the Chinese Academy of Sciences [XDB24030600]
High-performance Computing Platform of Peking University.
U.S. National Science Foundation [1842641]
Directorate For Engineering
Div Of Electrical, Commun & Cyber Sys [1842641] Funding Source: National Science Foundation

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Abstract

In this study, synthesized and reconfigurable soliton crystals were successfully demonstrated by constructing a periodic intra-cavity potential field, which enhanced the power of soliton crystal comb lines and allowed manipulation of soliton number and temporal distribution. The synthesized soliton crystals offer reconfigurable temporal and spectral profiles, showing great potential for applications in fields such as photonic radar, satellite communication, and radio-frequency filters.

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. Here the authors demonstrate an on-demand generation of perfect soliton crystal using synthesized potential field. The individual solitons can also be controlled, for example oscillate around their equilibrium position, by the external field.

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