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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/12156

Title: Optical second harmonic generation from V-shaped chromium nanohole arrays
Authors: Quang, Ngo Khoa
Miyauchi, Yoshihiro
Mizutani, Goro
Charlton, Martin D.
Chen, Ruiqi
Boden, Stuart
Rutt, Harvey
Keywords: optical second harmonic generation
SHG
nanohole
chromium
Issue Date: 2014-01-29
Publisher: IOP Publishing
Magazine name: Japanese Journal of Applied Physics
Volume: 53
Number: 2S
Start page: 02BC11-1
End page: 02BC11-5
DOI: 10.7567/JJAP.53.02BC11
Abstract: We observed rotational anisotropy of optical second harmonic generation (SHG) from an array of V-shaped chromium nanoholes fabricated by electron beam lithography. Phenomenological analysis indicated that the effective nonlinear susceptibility element χ^<(2)>_<313> had a characteristic contribution to the observed anisotropic SHG intensity patterns. Here, coordinate 1 is in the direction of the tip of V shapes in the substrate plane, and 3 indicates the direction perpendicular to the sample surface. The SHG intensity for the S-polarized output light was very weak, probably owing to the cancellation effect of the image dipoles generated at the metal-air boundary. The possible origin of the observed nonlinearity is discussed in terms of the susceptibility elements obtained.
Rights: This is the author's version of the work. It is posted here by permission of The Japan Society of Applied Physics. Copyright (C) 2014 The Japan Society of Applied Physics. Ngo Khoa Quang, Yoshihiro Miyauchi, Goro Mizutani, Martin D. Charlton, Ruiqi Chen, Stuart Boden, and Harvey Rutt, Japanese Journal of Applied Physics, 53(2S), 2014, 02BC11-1-02BC11-5. http://dx.doi.org/10.7567/JJAP.53.02BC11
URI: http://hdl.handle.net/10119/12156
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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