Strong enhancement of second-harmonic generation in all-dielectric resonant waveguide grating

M. Siltanen; S. Leivo; P. Voima; M. Kauranen; P. Karvinen; P. Vahimaa; M. Kuittinen

doi:10.1063/1.2783969

Strong enhancement of second-harmonic generation in all-dielectric resonant waveguide grating

M. Siltanen
, S. Leivo
, P. Voima
, M. Kauranen
, P. Karvinen
, P. Vahimaa
, M. Kuittinen

Research output: Contribution to journal › Article › Scientific › peer-review

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209 Downloads (Pure)

Abstract

The authors demonstrate that a dielectric resonant waveguide grating can enhance optical second-harmonic generation by a factor of 550 compared to a similar flat surface. Their structure, which consists of purely dielectric and thereby transparent materials, has a low index silicon dioxide grating covered by a high index titanium dioxide layer and it is optimized for the fundamental wavelength of 1064 nm. Polarization dependence of the second-harmonic response suggests that the enhancement arises from the favorable interaction of the resonant waveguide mode and its strong local field with the inherent surface nonlinearity of the dielectric materials.

Translated title of the contribution	Strong enhancement of second-harmonic generation in all-dielectric resonant waveguide grating
Original language	English
Pages (from-to)	pp. 111109-1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	91
Issue number	111109
DOIs	https://doi.org/10.1063/1.2783969
Publication status	Published - 2007
Publication type	A1 Journal article-refereed

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10.1063/1.2783969

Siltanen strong enhancement of second-harmonic
Copyright (2007) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters and may be found at http://apl.aip.org/resource/1/applab/v91/i11/p111109_s1.

http://urn.fi/URN:NBN:fi:tty-201103311112

Cite this

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AU - Siltanen, M.

AU - Leivo, S.

AU - Voima, P.

AU - Kauranen, M.

AU - Karvinen, P.

AU - Vahimaa, P.

AU - Kuittinen, M.

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N2 - The authors demonstrate that a dielectric resonant waveguide grating can enhance optical second-harmonic generation by a factor of 550 compared to a similar flat surface. Their structure, which consists of purely dielectric and thereby transparent materials, has a low index silicon dioxide grating covered by a high index titanium dioxide layer and it is optimized for the fundamental wavelength of 1064 nm. Polarization dependence of the second-harmonic response suggests that the enhancement arises from the favorable interaction of the resonant waveguide mode and its strong local field with the inherent surface nonlinearity of the dielectric materials.

AB - The authors demonstrate that a dielectric resonant waveguide grating can enhance optical second-harmonic generation by a factor of 550 compared to a similar flat surface. Their structure, which consists of purely dielectric and thereby transparent materials, has a low index silicon dioxide grating covered by a high index titanium dioxide layer and it is optimized for the fundamental wavelength of 1064 nm. Polarization dependence of the second-harmonic response suggests that the enhancement arises from the favorable interaction of the resonant waveguide mode and its strong local field with the inherent surface nonlinearity of the dielectric materials.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 111109

ER -

Strong enhancement of second-harmonic generation in all-dielectric resonant waveguide grating

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