Real-time multispeckle spectral-temporal measurement unveils the complexity of spatiotemporal solitons

Yuankai Guo, Xiaoxiao Wen, Wei Lin, Wenlong Wang, Xiaoming Wei () and Zhongmin Yang ()
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Yuankai Guo: South China University of Technology
Xiaoxiao Wen: South China University of Technology
Wei Lin: South China University of Technology
Wenlong Wang: South China University of Technology
Xiaoming Wei: South China University of Technology
Zhongmin Yang: South China University of Technology

Nature Communications, 2021, vol. 12, issue 1, 1-9

Abstract: Abstract The dynamics of three-dimensional (3D) dissipative solitons originated from spatiotemporal interactions share many common characteristics with other multi-dimensional phenomena. Unveiling the dynamics of 3D solitons thus permits new routes for tackling multidisciplinary nonlinear problems and exploiting their instabilities. However, this remains an open challenge, as they are multi-dimensional, stochastic and non-repeatable. Here, we report the real-time speckle-resolved spectral-temporal dynamics of a 3D soliton laser using a single-shot multispeckle spectral-temporal technology that leverages optical time division multiplexing and photonic time stretch. This technology enables the simultaneous observation on multiple speckle grains to provide long-lasting evolutionary dynamics on the planes of cavity time (t) – roundtrip and spectrum (λ) – roundtrip. Various non-repeatable speckly-diverse spectral-temporal dynamics are discovered in both the early and established stages of the 3D soliton formation.

Date: 2021
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DOI: 10.1038/s41467-020-20438-z

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