| SIKOLA, T., R.D. KEKAPTURE, E.S. BARNARD, J.S. WHITE, P. VAN DORPE, L. BRINEK, O. TOMANEC, J. ZLAMAL, D.Y. LEI, Y. SONNENFRAUD, S.A. MAIER, Josef HUMLÍČEK a M.L. BRONGERSMA. Mid-IR plasmonic antennas on silicon-rich oxinitride absorbing substrates: Nonlinear scaling of resonance wavelengths with antenna length. Applied Physics Letters. USA: American institute of physics, 2009, roč. 95, č. 25, s. 3109-3111. ISSN 0003-6951. |
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@article{864111,
author = {Sikola, T. and Kekapture, R.D. and Barnard, E.S. and White, J.S. and Van Dorpe, P. and Brinek, L. and Tomanec, O. and Zlamal, J. and Lei, D.Y. and Sonnenfraud, Y. and Maier, S.A. and Humlíček, Josef and Brongersma, M.L.},
article_location = {USA},
article_number = {25},
keywords = {OPTICAL ANTENNAS; NANOANTENNAS; RESONATORS; SINGLE; BOWTIE; FILMS},
language = {eng},
issn = {0003-6951},
journal = {Applied Physics Letters},
title = {Mid-IR plasmonic antennas on silicon-rich oxinitride absorbing substrates: Nonlinear scaling of resonance wavelengths with antenna length},
volume = {95},
year = {2009}
}
TY - JOUR
ID - 864111
AU - Sikola, T. - Kekapture, R.D. - Barnard, E.S. - White, J.S. - Van Dorpe, P. - Brinek, L. - Tomanec, O. - Zlamal, J. - Lei, D.Y. - Sonnenfraud, Y. - Maier, S.A. - Humlíček, Josef - Brongersma, M.L.
PY - 2009
TI - Mid-IR plasmonic antennas on silicon-rich oxinitride absorbing substrates: Nonlinear scaling of resonance wavelengths with antenna length
JF - Applied Physics Letters
VL - 95
IS - 25
SP - 3109-3111
EP - 3109-3111
PB - American institute of physics
SN - 00036951
KW - OPTICAL ANTENNAS
KW - NANOANTENNAS
KW - RESONATORS
KW - SINGLE
KW - BOWTIE
KW - FILMS
N2 - We report on the resonant properties of platinum dipole antennas fabricated on a silicon-rich-oxinitride thin film that exhibits significant absorption in the mid-infrared of the electromagnetic spectrum (lambda(-1) approximate to 1100 cm(-1)). A nonlinear scaling between the resonant wavelength and the antenna length has been found and quantitatively confirmed by full-field electromagnetic simulations. The resonant wavelength increases linearly with antenna length for small lengths and tends to saturate for large ones (length > 4 mu m). This saturation effect is attributed to the coupling of a geometrical antenna resonance and an absorption resonance of the substrate material.
ER -
SIKOLA, T., R.D. KEKAPTURE, E.S. BARNARD, J.S. WHITE, P. VAN DORPE, L. BRINEK, O. TOMANEC, J. ZLAMAL, D.Y. LEI, Y. SONNENFRAUD, S.A. MAIER, Josef HUMLÍČEK a M.L. BRONGERSMA. Mid-IR plasmonic antennas on silicon-rich oxinitride absorbing substrates: Nonlinear scaling of resonance wavelengths with antenna length. \textit{Applied Physics Letters}. USA: American institute of physics, 2009, roč.~95, č.~25, s.~3109-3111. ISSN~0003-6951.
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