Giant Enhancement Of High-Harmonic Generation In Graphene-Metal Heterostructures

I. Alonso Calafell,L. A. Rozema,D. Alcaraz Iranzo,A. Trenti,J. D. Cox,A. Kumar,H. Bieliaiev,S. Nanot,C. Peng,D. K. Efetov,J. Y. Hong,J. Kong,D. Englund,F. J. Garcia de Abajo,F. H. L. Koppens,P. Walther

2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2020）

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摘要

Graphene-metal heterostructures can confine the optical field down to the atomic level. We report record enhancement of high-harmonic generation and demonstrate, for the first time, that plasmons can indeed affect the graphene nonlinear optical response. (C) 2020 The Author(s)

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关键词

high-harmonic generation,graphene-metal heterostructures,optical field,atomic level,graphene nonlinear optical response,plasmons,C

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