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Computational Study of Second- and Third-Harmonic Generation in Periodically Patterned 2D-3D Heteromaterials

Weismann, M; Panoiu, NC; (2016) Computational Study of Second- and Third-Harmonic Generation in Periodically Patterned 2D-3D Heteromaterials. In: Samukawa, Seiji, (ed.) Proceedings of 2016 IEEE 16th International Conference on Nanotechnology (IEEE-NANO). (pp. pp. 419-422). IEEE: Sendai, Japan. Green open access

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Abstract

Remarkable optical and electrical properties of graphene and other two-dimensional (2D) materials provide significant potential for novel optoelectronic applications and devices, many of which depend on nonlinear optical effects in these 2D materials. In this paper we use a theoretical and computational formalism we have recently introduced to efficiently and accurately compute the linear and nonlinear optical response of nanostructured 2D materials embedded in periodic structures containing regular three-dimensional (3D) materials, such as diffraction gratings or periodic metamaterials. Thus, we use the proposed method to demonstrate enhanced nonlinear optical interactions in periodically patterned photonic nanostructures via resonant excitation of phase-matched nonlinear waveguide modes, enhanced nonlinearity of nanostructures containing graphene and other 2D nanomaterials, such as WS2, and multi-continua Fano resonances for increasing the nonlinear efficiency of hybrid 2D-3D photonic heteromaterials.

Type: Proceedings paper
Title: Computational Study of Second- and Third-Harmonic Generation in Periodically Patterned 2D-3D Heteromaterials
Event: 16th IEEE International Conference on Nanotechnology (IEEE-NANO) - 2016
Location: IEEE Nanotechnol Council, Sendai, JAPAN
Dates: 22 August 2016 - 25 August 2016
ISBN-13: 978-1-5090-1493-4
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/NANO.2016.7751510
Publisher version: https://doi.org/10.1109/NANO.2016.7751510
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, Two dimensional displays, Optical waveguides, Frequency conversion, Optical harmonic generation, Nonlinear optical devices
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1531475
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