Spatiotemporal continuum generation in polariton waveguides

Walker, P.M. and Whittaker, C.E. and Skryabin, D.V. and Cancellieri, E. and Royall, B. and Sich, M. and Farrer, I. and Ritchie, D.A. and Skolnick, M.S. and Krizhanovskii, D.N. (2019) Spatiotemporal continuum generation in polariton waveguides. Light: Science and Applications, 8 (1). ISSN 2095-5545

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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. © 2019, The Author(s).

Item Type:
Journal Article
Journal or Publication Title:
Light: Science and Applications
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3107
Subjects:
ID Code:
132182
Deposited By:
Deposited On:
27 Mar 2019 11:00
Refereed?:
Yes
Published?:
Published
Last Modified:
29 Jul 2020 05:17