Spatiotemporal continuum generation in polariton waveguides.

Abstract

We demonstrate the generation of a spatiotemporal optical continuum in a highly nonlinear exciton-polariton waveguide using extremely low excitation powers (2-ps, 100-W peak power pulses) and a submillimeter device suitable for integrated optics applications. We observe contributions from several mechanisms over a range of powers and demonstrate that the strong light-matter coupling significantly modifies the physics involved in all of them. The experimental data are well understood in combination with theoretical modeling. The results are applicable to a wide range of systems with linear coupling between nonlinear oscillators and particularly to emerging polariton devices that incorporate materials, such as gallium nitride and transition metal dichalcogenide monolayers that exhibit large light-matter coupling at room temperature. These open the door to low-power experimental studies of spatiotemporal nonlinear optics in submillimeter waveguide devices.

Metadata

Item Type:	Article
Authors/Creators:	Walker, P.M. Whittaker, C.E. https://orcid.org/0000-0002-6105-4315 Skryabin, D.V. https://orcid.org/0000-0001-5038-2500 Cancellieri, E. Royall, B. Sich, M. https://orcid.org/0000-0003-4155-3958 Farrer, I. https://orcid.org/0000-0002-3033-4306 Ritchie, D.A. https://orcid.org/0000-0002-9844-8350 Skolnick, M.S. https://orcid.org/0000-0002-3972-8344 Krizhanovskii, D.N.
Copyright, Publisher and Additional Information:	© 2019 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Dates:	Published: 16 January 2019 Published (online): 16 January 2019 Accepted: 24 December 2018
Institution:	The University of Sheffield
Academic Units:	The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield) The University of Sheffield > Faculty of Science (Sheffield) > Department of Physics and Astronomy (Sheffield)
Funding Information:	Funder Grant number ENGINEERING AND PHYSICAL SCIENCE RESEARCH COUNCIL (EPSRC) EP/N031776/1 LEVERHULME TRUST (THE) RPG-2013-339 ENGINEERING AND PHYSICAL SCIENCE RESEARCH COUNCIL (EPSRC) EP/J007544/1 EUROPEAN RESEARCH COUNCIL EXCIPOL - 320570
Depositing User:	Symplectic Sheffield
Date Deposited:	13 Mar 2019 12:06
Last Modified:	24 May 2024 14:51
Status:	Published
Publisher:	Springer Nature [academic journals on nature.com]
Refereed:	Yes
Identification Number:	10.1038/s41377-019-0120-7
Related URLs:	PubMed URL
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:141405

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Spatiotemporal continuum generation in polariton waveguides.

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