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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Giant Second-Harmonic Generation in Cantor-like Metamaterial Photonic Superlattices

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Author(s):
Reyes Gomez, Faustino [1] ; Porras-Montenegro, Nelson [1] ; Oliveira, Jr., Osvaldo N. [2] ; Ricardo Mejia-Salazar, J. [3]
Total Authors: 4
Affiliation:
[1] Valle Univ, Dept Phys, Cali 25360 - Colombia
[2] Univ Sao Paulo, Sao Carlos Inst Phys, CP 369, BR-13560970 Sao Carlos, SP - Brazil
[3] Natl Inst Telecommun Inatel, BR-37540000 Santa Rita Do Sapucai, MG - Brazil
Total Affiliations: 3
Document type: Journal article
Source: ACS OMEGA; v. 3, n. 12, p. 17922-17927, DEC 2018.
Web of Science Citations: 1
Abstract

We present a nonlinear transfer matrix method for studying the second-harmonic generation (SHG) in nonperiodic metamaterial photonic superlattices. A large enhancement of up to 5 orders of magnitude in SHG efficiency was observed for superlattices made with a Cantor-like quasiperiodic assembly of a nonlinear material and a metamaterial. The enhancement was found to depend much more on the electric field amplitude along the structure because of self-similarity effects than on the amount of nonlinear material, which opens the way to design superlattices for tailored applications in broad-band tunable lasers. (AU)

FAPESP's process: 13/14262-7 - Nanostructured films from biologically-relevant materials
Grantee:Osvaldo Novais de Oliveira Junior
Support Opportunities: Research Projects - Thematic Grants