Au cylindrical nanocup: A geometrically, tunable optical nanoresonator

M. Kovylina; N. Alayo; A. Conde-Rubio; X. Borrisé; G. Hibbard; A. Labarta; X. Batlle; F. Pérez-Murano

doi:10.1063/1.4927053

Au cylindrical nanocup: A geometrically, tunable optical nanoresonator

M. Kovylina, N. Alayo, A. Conde-Rubio, X. Borrisé, G. Hibbard, A. Labarta, X. Batlle, F. Pérez-Murano

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

4 Citations (Scopus)

Abstract

© 2015 AIP Publishing LLC. The optical response of Au cylindrical metallic nanostructures (nanocups) with very thin walls is studied by means of finite difference time domain simulations. The simulations predict that, by changing the geometry of the nanocups, they behave as tunable optical nanoresonators with strong near-field enhancement. This opens up the possibility to use them simultaneously as container and field enhancer. Nanocups have been produced by an on-purpose designed fabrication route that combines nanoimprint lithography, definition of an intermediate hard mask, and metal lift-off. The fabrication route offers a manifold of supplementary advantages: thorough control of geometrical parameters; versatility of compositional design, including multishell nanocups; precise positioning of nanocups over the substrate; and low-cost and fast manufacturing of large areas of desirable density without loss of resolution, all processes being compatible with high throughput, low cost production, thus enabling future commercial applications.

Original language	English
Article number	033102
Journal	Applied Physics Letters
Volume	107
Issue number	3
DOIs	https://doi.org/10.1063/1.4927053
Publication status	Published - 20 Jul 2015

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abstract = "{\textcopyright} 2015 AIP Publishing LLC. The optical response of Au cylindrical metallic nanostructures (nanocups) with very thin walls is studied by means of finite difference time domain simulations. The simulations predict that, by changing the geometry of the nanocups, they behave as tunable optical nanoresonators with strong near-field enhancement. This opens up the possibility to use them simultaneously as container and field enhancer. Nanocups have been produced by an on-purpose designed fabrication route that combines nanoimprint lithography, definition of an intermediate hard mask, and metal lift-off. The fabrication route offers a manifold of supplementary advantages: thorough control of geometrical parameters; versatility of compositional design, including multishell nanocups; precise positioning of nanocups over the substrate; and low-cost and fast manufacturing of large areas of desirable density without loss of resolution, all processes being compatible with high throughput, low cost production, thus enabling future commercial applications.",

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AU - Kovylina, M.

AU - Alayo, N.

AU - Conde-Rubio, A.

AU - Borrisé, X.

AU - Hibbard, G.

AU - Labarta, A.

AU - Batlle, X.

AU - Pérez-Murano, F.

PY - 2015/7/20

Y1 - 2015/7/20

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AB - © 2015 AIP Publishing LLC. The optical response of Au cylindrical metallic nanostructures (nanocups) with very thin walls is studied by means of finite difference time domain simulations. The simulations predict that, by changing the geometry of the nanocups, they behave as tunable optical nanoresonators with strong near-field enhancement. This opens up the possibility to use them simultaneously as container and field enhancer. Nanocups have been produced by an on-purpose designed fabrication route that combines nanoimprint lithography, definition of an intermediate hard mask, and metal lift-off. The fabrication route offers a manifold of supplementary advantages: thorough control of geometrical parameters; versatility of compositional design, including multishell nanocups; precise positioning of nanocups over the substrate; and low-cost and fast manufacturing of large areas of desirable density without loss of resolution, all processes being compatible with high throughput, low cost production, thus enabling future commercial applications.

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DO - 10.1063/1.4927053

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JO - Applied Physics Letters

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ER -

Au cylindrical nanocup: A geometrically, tunable optical nanoresonator

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