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van Nieuwstadt JA, Sandtke M, Harmsen RH, et al. Strong modification of the nonlinear optical response of metallic subwavelength hole arrays. Phys Rev Lett. 2006;97(14):146102doi: 10.1103/PhysRevLett.97.146102.
van Nieuwstadt, J. A., Sandtke, M., Harmsen, R. H., Segerink, F. B., Prangsma, J. C., Enoch, S., & Kuipers, L. (2006). Strong modification of the nonlinear optical response of metallic subwavelength hole arrays. Physical review letters, 97(14), 146102. https://doi.org/10.1103/PhysRevLett.97.146102
van Nieuwstadt, J A H, et al. "Strong modification of the nonlinear optical response of metallic subwavelength hole arrays." Physical review letters vol. 97,14 (2006): 146102. doi: https://doi.org/10.1103/PhysRevLett.97.146102
van Nieuwstadt JA, Sandtke M, Harmsen RH, Segerink FB, Prangsma JC, Enoch S, Kuipers L. Strong modification of the nonlinear optical response of metallic subwavelength hole arrays. Phys Rev Lett. 2006 Oct 06;97(14):146102. doi: 10.1103/PhysRevLett.97.146102. Epub 2006 Oct 06. PMID: 17155270.
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Phys Rev Lett. 2006 Oct 06;97(14):146102. doi: 10.1103/PhysRevLett.97.146102. Epub 2006 Oct 06.

Strong modification of the nonlinear optical response of metallic subwavelength hole arrays.

Physical review letters

J A H van Nieuwstadt, M Sandtke, R H Harmsen, F B Segerink, J C Prangsma, S Enoch, L Kuipers

Affiliations

  1. FOM Institute for Atomic and Molecular Physics (AMOLF), Kruislaan 407, 1098 SJ, Amsterdam, the Netherlands.

PMID: 17155270 DOI: 10.1103/PhysRevLett.97.146102

Abstract

The influence of hole shape on the nonlinear optical properties of metallic subwavelength hole arrays is investigated. It is found that the amount of second harmonics generated can be enhanced by changing the hole shape. In part this increase is a direct result of the effect of hole shape on the linear transmission properties. Remarkably, in addition to enhancements that follow directly from the linear properties of the array, we find a hot hole shape. For rectangular holes the effective nonlinear response is enhanced by more than 1 order of magnitude for one particular aspect ratio. This enhancement can be attributed to slow propagation of the fundamental wavelength through the holes which occurs close to the hole cutoff.

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