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Dichromatic Soliton-Molecule Compounds in Mode-Locked Fiber Lasers
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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Laser and Photonics Reviews, Volume 18, issue 6
Abstract
Soliton “molecules”, i.e., bound states of two or several solitons, represent a fundamental concept, which manifests itself in various nonlinear systems. They are dynamically similar to chemical molecules, attracting great interest to fundamental studies and offering potential applications (such as multilevel encoding of optical data). Here, the study demonstrates a novel dichromatic soliton-molecule compounds (DSMC) built as a hybrid bound state of multiple bound soliton pulses carried by two wavelengths in a fiber laser. The DSMCs are maintained by two different binding mechanisms, viz., the self-phase modulation (SPM) interaction between temporal solitons at the same wavelength, mediated by their tails, and the cross-phase modulation (XPM) interaction between solitons at different wavelengths. They also exhibit unique temporal and spectral vibration profiles. Both static DSMCs and ones with robust internal vibrations are generated experimentally in the fiber laser, and numerically as solutions of the corresponding dissipative nonlinear model. The findings reported here expand the concept of soliton molecules and further promote their similarity to chemical molecules.
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Publisher Copyright: © 2024 Wiley-VCH GmbH.
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Cui, Y, Yao, X, Hao, X, Yang, Q, Chen, D, Zhang, Y, Liu, X, Sun, Z & Malomed, B A 2024, 'Dichromatic Soliton-Molecule Compounds in Mode-Locked Fiber Lasers', Laser and Photonics Reviews, vol. 18, no. 6, 2300471. https://doi.org/10.1002/lpor.202300471