Temporal soliton dynamics of synchronised ultrafast fibre lasers

Zheng, J, Li, D, Xiaoqi, C, Liu, P, Zhang, Q, Zhu, Z, Yang, S, Zhang, Y, Sun, J, Chen, X ORCID: https://orcid.org/0000-0001-7091-1414, Yang, H, Kauppinen, E and Sun, Z, 2023. Temporal soliton dynamics of synchronised ultrafast fibre lasers. Optics Express. ISSN 1094-4087 (Forthcoming)

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Abstract

Synchronised ultrafast soliton lasers have attracted great research interest in recent decades. However, there is a lack of comprehensive understanding regarding the buildup mechanism of synchronised pulses. Here, we report a dynamic analysis of independent and synchronised solitons buildup mechanisms in synchronised ultrafast soliton lasers. The laser comprises an erbium-doped fibre cavity and a thulium-doped fibre cavity bridged with a common arm. Pulses operating at two different wavelengths formed in the cavities are synchronised by cross-phase modulation-induced soliton correlation in the common fibre arm. We find that the whole buildup process of the thulium-doped fibre laser successively undergoes five different stages: continuous wave, relaxation oscillation, quasi-mode-locking, continuous wave mode-locking and synchronised mode-locking. It is found that the starting time of the synchronised solitons is mainly determined by the meeting time of dual-color solitons. Our results will further deepen the understanding of dual-color synchronised lasers and enrich the study of complex nonlinear system dynamics.

Item Type:	Journal article
Publication Title:	Optics Express
Creators:	Zheng, J., Li, D., Xiaoqi, C., Liu, P., Zhang, Q., Zhu, Z., Yang, S., Zhang, Y., Sun, J., Chen, X., Yang, H., Kauppinen, E. and Sun, Z.
Publisher:	Optica Publishing Group
Date:	22 May 2023
ISSN:	1094-4087
Identifiers:	Number Type 10.1364/oe.492450 DOI 1777548 Other
Rights:	Optics Express allows users to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from us or the author. This is in accordance with the BOAI (Budapest Open Access Initiative) definition of open access.
Divisions:	Schools > School of Science and Technology
Record created by:	Jonathan Gallacher
Date Added:	05 Jul 2023 09:09
Last Modified:	05 Jul 2023 09:09
URI:	https://irep.ntu.ac.uk/id/eprint/49320

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