Retrieving Internal Phase Dynamics of Soliton Molecules in the Normal Dispersion Regime

The current phase retrieval methods are challenging to retrieve the internal phase of soliton molecules (SMs) in the normal-dispersion regime of mode-locked lasers because the interference-like spectrum of such SMs is extremely dense. Here, we first retrieve phase evolutions of such SMs, by virtue o...

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Bibliographic Details
Published in:IEEE photonics technology letters 2022-06, Vol.34 (11), p.583-586
Main Authors: Zhang, Ying, Zhao, Chunbo, Wu, Xiuqi, Meng, Yansong, Ge, Jinman, Li, Xiaojun, Peng, Junsong, Zeng, Heping
Format: Article
Language:English
Subjects:
Autocorrelation
Dispersion
fiber laser
Laser mode locking
Measurement by laser beam
Mode locking
Optical fiber dispersion
Optical fiber polarization
Phase retrieval
Real-time systems
Solitary waves
soliton
Solitons
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Summary:The current phase retrieval methods are challenging to retrieve the internal phase of soliton molecules (SMs) in the normal-dispersion regime of mode-locked lasers because the interference-like spectrum of such SMs is extremely dense. Here, we first retrieve phase evolutions of such SMs, by virtue of a novel phase retrieval method (Nat. Commun. 10, 830 (2019)). Three types of phase evolutions of SMs are revealed. Our work paves the way towards revealing various SM dynamics in ultrafast fibe lasers.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2022.3174581