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Proceedings Paper

Tailoring plasmonic field within two-color laser using metallic nanostructure for the generation of high harmonics
Author(s): Ying-Ying Yang; Qian-Guang Li; Ling Zhang; Xue-Chun Lin
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Paper Abstract

We have proposed a metallic dipole-ellipsoid-bagel nanostructure for the generation of high harmonics via two-color laser field. Comparing with the case of the one-color field, this nanostructure enables a broader bandwidth and smoother harmonic spectra under the condition of the two-color incidence field, which is in favor of the generation of extreme-ultraviolet (XUV) radiation and isolated attosecond pulses. Numerical techniques are employed to optimize nanoantennas and attain enhanced plasmonic field. The electromagnetic properties of this nanostructure is fully analyzed and discussed. The nanostructure support the highest enhancement fact of 2500 for both of 800-nm and 1500-nm incidence, and effectively enhance the field intensity exceed 103 in the volumn of 50×50×50 nm3.This nanostructure would benefit for the generation of high-harmonic, extreme-ultraviolet (XUV) radiation via plasmonic enhanced filed in a two-color multi-cycle laser field. This work would have potential application in the ultra-sensitive color sensor and the source of isolated attosecond pulses via multicycle laser.

Paper Details

Date Published: 17 August 2014
PDF: 7 pages
Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91632G (17 August 2014); doi: 10.1117/12.2061056
Show Author Affiliations
Ying-Ying Yang, Institute of Semiconductors (China)
Qian-Guang Li, Hubei Univ. of Engineering (China)
Ling Zhang, Institute of Semiconductors (China)
Xue-Chun Lin, Institute of Semiconductors (China)

Published in SPIE Proceedings Vol. 9163:
Plasmonics: Metallic Nanostructures and Their Optical Properties XII
Allan D. Boardman, Editor(s)

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