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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 20 — Oct. 15, 2012
  • pp: 4269–4271

Efficient second-harmonic generation in silicon nitride resonant waveguide gratings

Tingyin Ning, Henna Pietarinen, Outi Hyvärinen, Ravi Kumar, Tommi Kaplas, Martti Kauranen, and Goëry Genty  »View Author Affiliations


Optics Letters, Vol. 37, Issue 20, pp. 4269-4271 (2012)
http://dx.doi.org/10.1364/OL.37.004269


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Abstract

We demonstrate a thousand-fold enhancement of second-harmonic generation in an all-dielectric silicon nitride (SiN) resonant waveguide grating compared to a flat SiN film. The strong second-harmonic output measured at 532 nm results from the combination of the enhanced local fields in the nanostructure and the large second-order susceptibility of SiN. The second-harmonic conversion efficiency in the resonant structure is found to be of the order of 108, which is significantly larger than that typically observed from plasmonic metal nanostructures.

© 2012 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(190.2620) Nonlinear optics : Harmonic generation and mixing
(050.5745) Diffraction and gratings : Resonance domain
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: May 30, 2012
Revised Manuscript: August 31, 2012
Manuscript Accepted: August 31, 2012
Published: October 11, 2012

Citation
Tingyin Ning, Henna Pietarinen, Outi Hyvärinen, Ravi Kumar, Tommi Kaplas, Martti Kauranen, and Goëry Genty, "Efficient second-harmonic generation in silicon nitride resonant waveguide gratings," Opt. Lett. 37, 4269-4271 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4269

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