Pure-quartic solitons

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Date
29/01/2016
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Grant ID
EP/F001622/1
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Abstract
Temporal optical solitons have been the subject of intense research due to their intriguing physics and applications in ultrafast optics and supercontinuum generation. Conventional bright optical solitons result from the interaction of anomalous group-velocity dispersion and self-phase modulation. Here we experimentally demonstrate a class of bright soliton arising purely from the interaction of negative fourth-order dispersion and self-phase modulation, which can occur even for normal group-velocity dispersion. We provide experimental and numerical evidence of shape-preserving propagation and flat temporal phase for the fundamental pure-quartic soliton and periodically modulated propagation for the higher-order pure-quartic solitons. We derive the approximate shape of the fundamental pure-quartic soliton and discover that is surprisingly Gaussian, exhibiting excellent agreement with our experimental observations. Our discovery, enabled by precise dispersion engineering, could find applications in communications, frequency combs and ultrafast lasers.
Citation
Blanco-Redondo , A , de Sterke , C M , Sipe , J E , Krauss , T F , Eggleton , B J & Husko , C 2016 , ' Pure-quartic solitons ' , Nature Communications , vol. 7 , 10427 . https://doi.org/10.1038/ncomms10427
Publication
Nature Communications
Status
Peer reviewed
DOI
https://doi.org/10.1038/ncomms10427
ISSN
2041-1723
Type
Journal article
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This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material.
Description
This work was supported in part by the Center of Excellence CUDOS (CE110001018), Laureate Fellowship (FL120100029) schemes of the Australian Research Council (ARC) and by The University of Sydney and the Technion collaborative photonics research project funded by The Department of Trade and Investment, Regional Infrastructure and Services of the New South Wales Government and The Technion Society of Australia NSW. T.F.K. was supported by EPSRC UK Silicon Photonics (Grant reference EP/F001428/1). C.H. was supported by the ARC Discovery Early Career Researcher award (DECRA—DE120102069).
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http://hdl.handle.net/10023/9036

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