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Tunable Enhancement of Second-Harmonic Generation in Dual Graphene Optical Gratings

You, JW; Panoiu, NC; (2017) Tunable Enhancement of Second-Harmonic Generation in Dual Graphene Optical Gratings. In: 11th International Congress on Engineered Material Platforms for Novel Wave Phenomena. (pp. pp. 382-384). IEEE Green open access

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Abstract

Employing geometry dependent plasmon resonances of graphene gratings, we design a graphene bi-layer optical grating, which can achieve several orders of magnitude enhancement of the second-harmonic generation (SHG) intensity. More importantly, this dual grating can act as an ultrafast optical switch as the SHG intensity can be readily controlled via gate voltage tuning.

Type: Proceedings paper
Title: Tunable Enhancement of Second-Harmonic Generation in Dual Graphene Optical Gratings
Event: Metamaterials 2017, 11th International Congress on Engineered Material Platforms for Novel Wave Phenomena, 28 August to 2 September 2017, Marseille, France
Location: Marseille, FRANCE
Dates: 28 August 2017 - 02 September 2017
ISBN-13: 9781538637685
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/MetaMaterials.2017.8107820
Publisher version: https://doi.org/10.1109/MetaMaterials.2017.8107820
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Graphene, Gratings, Plasmons, Nonlinear optics, Optical harmonic generation, Ultrafast optics, Optical switches
URI: http://discovery.ucl.ac.uk/id/eprint/10055782
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