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Chip-Scale Plasmonic Sum Frequency Generation

Bai, S; Fang, M; Sha, WEI; Qu, Y; Jin, Z; Tian, J; Du, K; ... Li, Q; + view all (2017) Chip-Scale Plasmonic Sum Frequency Generation. IEEE Photonics Journal , 9 (3) , Article 4800108. 10.1109/JPHOT.2017.2705061. Green open access

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Abstract

Plasmonics provides a promising candidate for nonlinear optical interactions because of its ability to enable extreme light concentration at the nanoscale. We demonstrate on-chip plasmonic sum frequency generation (SFG) with a metal-dielectric-metal nanostructure. The two cross-polarized pumps (800 and 1500 nm) are designed to match the two resonances of this plasmonic nanostructure to make the most of the electric field enhancement and spatial overlapping of the modes. Since these two resonances are predominantly determined by the sizes of the top metallic nanostructures in the same direction, the SFG (521 nm) can be independently controlled by each pump via changing these sizes. This study exerts the full strength of plasmonic resonance induced field enhancement, thereby paving a way toward using nanoplasmonics for future nonlinear nanophotonics applications, such as optical information processing, imaging, and spectroscopy.

Type: Article
Title: Chip-Scale Plasmonic Sum Frequency Generation
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JPHOT.2017.2705061
Publisher version: https://doi.org/10.1109/JPHOT.2017.2705061
Language: English
Additional information: This is the published version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Plasmonics, metamaterials and nonlinear optics
UCL classification: 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/10053068
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