Multiple Fano resonances in single-layer nonconcentric core-shell nanostructures

Jingjing Zhang; Anatoly Zayats

doi:10.1364/OE.21.008426

Multiple Fano resonances in single-layer nonconcentric core-shell nanostructures

Jingjing Zhang and Anatoly Zayats

Optics Express
Vol. 21,
Issue 7,
pp. 8426-8436
(2013)
•https://doi.org/10.1364/OE.21.008426

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Jingjing Zhang and Anatoly Zayats, "Multiple Fano resonances in single-layer nonconcentric core-shell nanostructures," Opt. Express 21, 8426-8436 (2013)

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Related Topics
Table of Contents Category
- Optics at Surfaces
Optics & Photonics Topics
?

The topics in this list come from the OSA Optics and Photonics Topics applied to this article.
Previously assigned OCIS codes
- Optical properties (160.4760)
- Surface plasmons (240.6680)
- Resonance (260.5740)

About this Article
History
- Original Manuscript: January 14, 2013
- Revised Manuscript: March 4, 2013
- Manuscript Accepted: March 4, 2013
- Published: March 29, 2013

Accessible

Open Access

Abstract

Multiple plasmonic Fano resonances are generally considered to require complex nanostructures, such as multilayer structure, to provide several dark modes that can couple with the bright mode. In this paper, we show the existence of multiple Fano resonances in single layer core-shell nanostructures where the multiple dark modes appear due to the geometrical symmetry breaking induced by axial offset of the core. Both dielectric-core-metal-shell (DCMS) and metal-core-dielectric-shell (MCDS) configurations have been studied. Compared to the MCDS structure, the DCMS configuration provides higher modulation depth. Analytical studies based on transformation optics and numerical simulations have been performed to investigate the role of geometrical and material parameters on the optical properties of the proposed nanostructures. Refractive index sensing with higher-order Fano resonances has also been described, providing opportunity for multiwavelength sensing with high figure of merit.

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References

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A. V. Zayats and I. I. Smolyaninov, “Near-field photonics: surface plasmon polaritons and localised surface plasmons,” J. Opt. A, Pure Appl. Opt. 5(4), S16–S50 (2003).
[Crossref]
J. B. Pendry, A. Aubry, D. R. Smith, and S. A. Maier, “Transformation optics and subwavelength control of light,” Science 337(6094), 549–552 (2012).
[Crossref] [PubMed]
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[Crossref] [PubMed]
Y. Luo, J. B. Pendry, and A. Aubry, “Surface plasmons and singularities,” Nano Lett. 10(10), 4186–4191 (2010).
[Crossref] [PubMed]
A. I. Fernández-Domínguez, S. A. Maier, and J. B. Pendry, “Collection and concentration of light by touching spheres: a transformation optics approach,” Phys. Rev. Lett. 105(26), 266807 (2010).
[Crossref] [PubMed]
Y. Luo, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Broadband light harvesting nanostructures robust to edge bluntness,” Phys. Rev. Lett. 108(2), 023901 (2012).
[Crossref] [PubMed]
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[Crossref] [PubMed]
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[Crossref] [PubMed]
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[Crossref] [PubMed]
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[Crossref] [PubMed]
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[Crossref] [PubMed]
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[Crossref] [PubMed]
S. D. Liu, Z. Yang, R. P. Liu, and X. Y. Li, “Multiple Fano resonances in plasmonic heptamer clusters composed of split nanorings,” ACS Nano 6(7), 6260–6271 (2012).
[Crossref] [PubMed]
G. Bachelier, I. Russier-Antoine, E. Benichou, C. Jonin, N. Del Fatti, F. Vallée, and P. F. Brevet, “Fano profiles induced by near-field coupling in heterogeneous dimers of gold and silver nanoparticles,” Phys. Rev. Lett. 101(19), 197401 (2008).
[Crossref] [PubMed]
K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and Fano resonance in the plasmon coupling between gold nanorods,” ACS Nano 5(7), 5976–5986 (2011).
[Crossref] [PubMed]
H. J. Chen, L. Shao, Y. C. Man, C. M. Zhao, J. F. Wang, and B. C. Yang, “Fano resonance in (gold core)-(dielectric shell) nanostructures without symmetry breaking,” Small 8(10), 1503–1509 (2012).
[Crossref] [PubMed]
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[Crossref] [PubMed]
D. J. Wu, S. M. Jiang, and X. J. Liu, “Tunable Fano resonances in three-layered bimetallic Au and Ag nanoshell,” J. Phys. Chem. C 115(48), 23797–23801 (2011).
[Crossref]
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[Crossref]
R. Bardhan, N. K. Grady, T. Ali, and N. J. Halas, “Metallic nanoshells with semiconductor cores: Optical characteristics modified by core medium properties,” ACS Nano 4(10), 6169–6179 (2010).
[Crossref] [PubMed]
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[Crossref] [PubMed]
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[Crossref] [PubMed]
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[Crossref] [PubMed]
E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[Crossref] [PubMed]
A. Christ, S. G. Tikhodeev, N. A. Gippius, J. Kuhl, and H. Giessen, “Waveguide-plasmon polaritons: strong coupling of photonic and electronic resonances in a metallic photonic crystal slab,” Phys. Rev. Lett. 91(18), 183901 (2003).
[Crossref] [PubMed]
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[Crossref]
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[Crossref] [PubMed]
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[Crossref] [PubMed]

2012 (8)

J. B. Pendry, A. Aubry, D. R. Smith, and S. A. Maier, “Transformation optics and subwavelength control of light,” Science 337(6094), 549–552 (2012).
[Crossref] [PubMed]

Y. Luo, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Broadband light harvesting nanostructures robust to edge bluntness,” Phys. Rev. Lett. 108(2), 023901 (2012).
[Crossref] [PubMed]

Y. H. Fu, J. B. Zhang, Y. F. Yu, and B. Luk’yanchuk, “Generating and manipulating higher order Fano resonances in dual-disk ring plasmonic nanostructures,” ACS Nano 6(6), 5130–5137 (2012).
[Crossref] [PubMed]

F. López-Tejeiral, R. Paniagua-Domínguez, R. Rodríguez-Oliveros, and J. A. Sánchez-Gil, “Fano-like interference of plasmon resonances at a single rod-shaped nanoantenna,” New J. Phys. 14(2), 023035 (2012).

S. D. Liu, Z. Yang, R. P. Liu, and X. Y. Li, “Multiple Fano resonances in plasmonic heptamer clusters composed of split nanorings,” ACS Nano 6(7), 6260–6271 (2012).
[Crossref] [PubMed]

H. J. Chen, L. Shao, Y. C. Man, C. M. Zhao, J. F. Wang, and B. C. Yang, “Fano resonance in (gold core)-(dielectric shell) nanostructures without symmetry breaking,” Small 8(10), 1503–1509 (2012).
[Crossref] [PubMed]

C. Argyropoulos, P. Y. Chen, F. Monticone, G. D’Aguanno, and A. Alù, “Nonlinear plasmonic cloaks to realize giant all-optical scattering switching,” Phys. Rev. Lett. 108(26), 263905 (2012).
[Crossref] [PubMed]

A. I. Fernández-Domínguez, Y. Luo, A. Wiener, J. B. Pendry, and S. A. Maier, “Theory of three-dimensional nanocrescent light harvesters,” Nano Lett. 12(11), 5946–5953 (2012).
[Crossref] [PubMed]

2011 (6)

V. Giannini, Y. Francescato, H. Amrania, C. C. Phillips, and S. A. Maier, “Fano resonances in nanoscale plasmonic systems: A parameter-free modeling approach,” Nano Lett. 11(7), 2835–2840 (2011).
[Crossref] [PubMed]

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and Fano resonance in the plasmon coupling between gold nanorods,” ACS Nano 5(7), 5976–5986 (2011).
[Crossref] [PubMed]

D. J. Wu, S. M. Jiang, and X. J. Liu, “Tunable Fano resonances in three-layered bimetallic Au and Ag nanoshell,” J. Phys. Chem. C 115(48), 23797–23801 (2011).
[Crossref]

A. Artar, A. A. Yanik, and H. Altug, “Multispectral plasmon induced transparency in coupled meta-atoms,” Nano Lett. 11(4), 1685–1689 (2011).
[Crossref] [PubMed]

Z. Y. Fang, J. Y. Cai, Z. B. Yan, P. Nordlander, N. J. Halas, and X. Zhu, “Removing a wedge from a metallic nanodisk reveals a Fano resonance,” Nano Lett. 11(10), 4475–4479 (2011).
[Crossref] [PubMed]

A. I. Kuznetsov, A. B. Evlyukhin, M. R. Gonçalves, C. Reinhardt, A. Koroleva, M. L. Arnedillo, R. Kiyan, O. Marti, and B. N. Chichkov, “Laser fabrication of large-scale nanoparticle arrays for sensing applications,” ACS Nano 5(6), 4843–4849 (2011).
[Crossref] [PubMed]

2010 (12)

A. Aubry, D. Y. Lei, A. I. Fernández-Domínguez, Y. Sonnefraud, S. A. Maier, and J. B. Pendry, “Plasmonic light-harvesting devices over the whole visible spectrum,” Nano Lett. 10(7), 2574–2579 (2010).
[Crossref] [PubMed]

Y. Luo, J. B. Pendry, and A. Aubry, “Surface plasmons and singularities,” Nano Lett. 10(10), 4186–4191 (2010).
[Crossref] [PubMed]

A. I. Fernández-Domínguez, S. A. Maier, and J. B. Pendry, “Collection and concentration of light by touching spheres: a transformation optics approach,” Phys. Rev. Lett. 105(26), 266807 (2010).
[Crossref] [PubMed]

Y. Sonnefraud, N. Verellen, H. Sobhani, G. A. E. Vandenbosch, V. V. Moshchalkov, P. Van Dorpe, P. Nordlander, and S. A. Maier, “Experimental realization of subradiant, superradiant, and Fano resonances in ring/disk plasmonic nanocavities,” ACS Nano 4(3), 1664–1670 (2010).
[Crossref] [PubMed]

A. E. Miroshnichenko, S. Flach, and Y. S. Kivshar, “Fano resonances in nanoscale structures,” Rev. Mod. Phys. 82(3), 2257–2298 (2010).
[Crossref]

B. Luk’yanchuk, N. I. Zheludev, S. A. Maier, N. J. Halas, P. Nordlander, H. Giessen, and C. T. Chong, “The Fano resonance in plasmonic nanostructures and metamaterials,” Nat. Mater. 9(9), 707–715 (2010).
[Crossref] [PubMed]

J. Zhang, S. Xiao, C. Jeppesen, A. Kristensen, and N. A. Mortensen, “Electromagnetically induced transparency in metamaterials at near-infrared frequency,” Opt. Express 18(16), 17187–17192 (2010).
[Crossref] [PubMed]

J. B. Lassiter, H. Sobhani, J. A. Fan, J. Kundu, F. Capasso, P. Nordlander, and N. J. Halas, “Fano resonances in plasmonic nanoclusters: Geometrical and chemical tunability,” Nano Lett. 10(8), 3184–3189 (2010).
[Crossref] [PubMed]

S. Mukherjee, H. Sobhani, J. B. Lassiter, R. Bardhan, P. Nordlander, and N. J. Halas, “Fanoshells: nanoparticles with built-in Fano resonances,” Nano Lett. 10(7), 2694–2701 (2010).
[Crossref] [PubMed]

R. Bardhan, N. K. Grady, T. Ali, and N. J. Halas, “Metallic nanoshells with semiconductor cores: Optical characteristics modified by core medium properties,” ACS Nano 4(10), 6169–6179 (2010).
[Crossref] [PubMed]

A. Aubry, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Interaction between plasmonic nanoparticles revisited with transformation optics,” Phys. Rev. Lett. 105(23), 233901 (2010).
[Crossref] [PubMed]

A. Aubry, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Conformal transformation applied to plasmonics beyond the quasistatic limit,” Phys. Rev. B 82(20), 205109 (2010).
[Crossref]

2009 (4)

J. B. Lassiter, M. W. Knight, N. A. Mirin, and N. J. Halas, “Reshaping the plasmonic properties of an individual nanoparticle,” Nano Lett. 9(12), 4326–4332 (2009).
[Crossref] [PubMed]

N. Liu, L. Langguth, T. Weiss, J. Kästel, M. Fleischhauer, T. Pfau, and H. Giessen, “Plasmonic analogue of electromagnetically induced transparency at the Drude damping limit,” Nat. Mater. 8(9), 758–762 (2009).
[Crossref] [PubMed]

F. Hao, P. Nordlander, Y. Sonnefraud, P. V. Dorpe, and S. A. Maier, “Tunability of subradiant dipolar and Fano-type plasmon resonances in metallic ring/disk cavities: Implications for nanoscale optical sensing,” ACS Nano 3(3), 643–652 (2009).
[Crossref] [PubMed]

M. A. Noginov, G. Zhu, A. M. Belgrave, R. Bakker, V. M. Shalaev, E. E. Narimanov, S. Stout, E. Herz, T. Suteewong, and U. Wiesner, “Demonstration of a spaser-based nanolaser,” Nature 460(7259), 1110–1112 (2009).
[Crossref] [PubMed]

2008 (3)

F. Hao, Y. Sonnefraud, P. V. Dorpe, S. A. Maier, N. J. Halas, and P. Nordlander “Symmetry breaking in plasmonic nanocavities: subradiant LSPR sensing and a tunable Fano resonance,” Nano Lett. 8(11), 3983–3988 (2008).
[Crossref] [PubMed]

S. Zhang, D. A. Genov, Y. Wang, M. Liu, and X. Zhang, “Plasmon-induced transparency in metamaterials,” Phys. Rev. Lett. 101(4), 047401 (2008).
[Crossref] [PubMed]

G. Bachelier, I. Russier-Antoine, E. Benichou, C. Jonin, N. Del Fatti, F. Vallée, and P. F. Brevet, “Fano profiles induced by near-field coupling in heterogeneous dimers of gold and silver nanoparticles,” Phys. Rev. Lett. 101(19), 197401 (2008).
[Crossref] [PubMed]

2006 (2)

W. Zhang, A. O. Govorov, and G. W. Bryant, “Semiconductor-metal nanoparticle molecules: Hybrid excitons and the nonlinear Fano effect,” Phys. Rev. Lett. 97(14), 146804 (2006).
[Crossref] [PubMed]

H. Wang, Y. P. Wu, B. Lassiter, C. L. Nehl, J. H. Hafner, P. Nordlander, and N. J. Halas, “Symmetry breaking in individual plasmonic nanoparticles,” Proc. Natl. Acad. Sci. U.S.A. 103(29), 10856–10860 (2006).
[Crossref] [PubMed]

2005 (3)

Y. Lu, G. L. Liu, J. Kim, Y. X. Mejia, and L. P. Lee, “Nanophotonic crescent moon structures with sharp edge for ultrasensitive biomolecular detection by local electromagnetic field enhancement effect,” Nano Lett. 5(1), 119–124 (2005).
[Crossref] [PubMed]

M. W. Klein, T. Tritschler, M. Wegener, and S. Linden, “Lineshape of harmonic generation by metallic nanoparticles and metallic photonic crystal slabs,” Phys. Rev. B 72(11), 115113 (2005).
[Crossref]

A. E. Miroshnichenko, S. F. Mingaleev, S. Flach, and Y. S. Kivshar, “Nonlinear Fano resonance and bistable wave transmission,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys. 71(33 Pt 2B), 036626 (2005).
[Crossref] [PubMed]

2004 (1)

F. Tam, C. Moran, and N. J. Halas, “Geometrical parameters controlling sensitivity of nanoshell plasmon resonances to changes in dielectric environment,” J. Phys. Chem. B 108(45), 17290–17294 (2004).
[Crossref]

2003 (3)

A. V. Zayats and I. I. Smolyaninov, “Near-field photonics: surface plasmon polaritons and localised surface plasmons,” J. Opt. A, Pure Appl. Opt. 5(4), S16–S50 (2003).
[Crossref]

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[Crossref] [PubMed]

A. Christ, S. G. Tikhodeev, N. A. Gippius, J. Kuhl, and H. Giessen, “Waveguide-plasmon polaritons: strong coupling of photonic and electronic resonances in a metallic photonic crystal slab,” Phys. Rev. Lett. 91(18), 183901 (2003).
[Crossref] [PubMed]

1951 (1)

A. L. Aden and M. Kerker, “Scattering of electromagnetic waves from two concentric spheres,” J. Appl. Phys. 22(10), 1242–1246 (1951).
[Crossref]

1941 (1)

U. Fano, “The Theory of Anomalous Diffraction Gratings and of quasi-stationary waves on metallic surfaces (Sommerfeld's Waves),” J. Opt. Soc. Am. 31(3), 213–222 (1941).
[Crossref]

Aden, A. L.

A. L. Aden and M. Kerker, “Scattering of electromagnetic waves from two concentric spheres,” J. Appl. Phys. 22(10), 1242–1246 (1951).
[Crossref]

Ali, T.

Altug, H.

A. Artar, A. A. Yanik, and H. Altug, “Multispectral plasmon induced transparency in coupled meta-atoms,” Nano Lett. 11(4), 1685–1689 (2011).
[Crossref] [PubMed]

Alù, A.

Amrania, H.

Argyropoulos, C.

Arnedillo, M. L.

Artar, A.

A. Artar, A. A. Yanik, and H. Altug, “Multispectral plasmon induced transparency in coupled meta-atoms,” Nano Lett. 11(4), 1685–1689 (2011).
[Crossref] [PubMed]

Aubry, A.

J. B. Pendry, A. Aubry, D. R. Smith, and S. A. Maier, “Transformation optics and subwavelength control of light,” Science 337(6094), 549–552 (2012).
[Crossref] [PubMed]

Y. Luo, J. B. Pendry, and A. Aubry, “Surface plasmons and singularities,” Nano Lett. 10(10), 4186–4191 (2010).
[Crossref] [PubMed]

A. Aubry, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Conformal transformation applied to plasmonics beyond the quasistatic limit,” Phys. Rev. B 82(20), 205109 (2010).
[Crossref]

Averitt, R. D.

R. D. Averitt, S. L. Westcott, and N. J. Halas, “Linear optical properties of gold nanoshells,” J. Opt. Soc. Am. B 16(10), 1824–1832 (1999).
[Crossref]

Bachelier, G.

Bakker, R.

Bardhan, R.

Belgrave, A. M.

Benichou, E.

Borghese, F.

F. Borghese, P. Denti, R. Saija, and O. I. Sindoni, “Optical properties of spheres containing a spherical eccentric inclustion,” J. Opt. Soc. Am. A 9(8), 1327–1335 (1992).
[Crossref]

Brevet, P. F.

Bryant, G. W.

W. Zhang, A. O. Govorov, and G. W. Bryant, “Semiconductor-metal nanoparticle molecules: Hybrid excitons and the nonlinear Fano effect,” Phys. Rev. Lett. 97(14), 146804 (2006).
[Crossref] [PubMed]

Cai, J. Y.

Capasso, F.

Chen, H. J.

Chen, P. Y.

Chichkov, B. N.

Chong, C. T.

Chrissoulidis, D. P.

Christ, A.

D’Aguanno, G.

Del Fatti, N.

Denti, P.

F. Borghese, P. Denti, R. Saija, and O. I. Sindoni, “Optical properties of spheres containing a spherical eccentric inclustion,” J. Opt. Soc. Am. A 9(8), 1327–1335 (1992).
[Crossref]

Dorpe, P. V.

Evlyukhin, A. B.

Fan, J. A.

Fang, Z. Y.

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U. Fano, “The Theory of Anomalous Diffraction Gratings and of quasi-stationary waves on metallic surfaces (Sommerfeld's Waves),” J. Opt. Soc. Am. 31(3), 213–222 (1941).
[Crossref]

Fernández-Domínguez, A. I.

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[Crossref] [PubMed]

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[Crossref] [PubMed]

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[Crossref] [PubMed]

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[Crossref]

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D. J. Wu, S. M. Jiang, and X. J. Liu, “Tunable Fano resonances in three-layered bimetallic Au and Ag nanoshell,” J. Phys. Chem. C 115(48), 23797–23801 (2011).
[Crossref]

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A. E. Miroshnichenko, S. Flach, and Y. S. Kivshar, “Fano resonances in nanoscale structures,” Rev. Mod. Phys. 82(3), 2257–2298 (2010).
[Crossref]

Kiyan, R.

Klein, M. W.

Knight, M. W.

J. B. Lassiter, M. W. Knight, N. A. Mirin, and N. J. Halas, “Reshaping the plasmonic properties of an individual nanoparticle,” Nano Lett. 9(12), 4326–4332 (2009).
[Crossref] [PubMed]

Koroleva, A.

Kristensen, A.

Kuhl, J.

Kundu, J.

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Langguth, L.

Lassiter, B.

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J. B. Lassiter, M. W. Knight, N. A. Mirin, and N. J. Halas, “Reshaping the plasmonic properties of an individual nanoparticle,” Nano Lett. 9(12), 4326–4332 (2009).
[Crossref] [PubMed]

Lee, L. P.

Lei, D. Y.

Y. Luo, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Broadband light harvesting nanostructures robust to edge bluntness,” Phys. Rev. Lett. 108(2), 023901 (2012).
[Crossref] [PubMed]

A. Aubry, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Conformal transformation applied to plasmonics beyond the quasistatic limit,” Phys. Rev. B 82(20), 205109 (2010).
[Crossref]

Li, X. Y.

S. D. Liu, Z. Yang, R. P. Liu, and X. Y. Li, “Multiple Fano resonances in plasmonic heptamer clusters composed of split nanorings,” ACS Nano 6(7), 6260–6271 (2012).
[Crossref] [PubMed]

Liang, Y.

Lin, H. Q.

Linden, S.

Liu, G. L.

Liu, M.

S. Zhang, D. A. Genov, Y. Wang, M. Liu, and X. Zhang, “Plasmon-induced transparency in metamaterials,” Phys. Rev. Lett. 101(4), 047401 (2008).
[Crossref] [PubMed]

Liu, N.

Liu, R. P.

S. D. Liu, Z. Yang, R. P. Liu, and X. Y. Li, “Multiple Fano resonances in plasmonic heptamer clusters composed of split nanorings,” ACS Nano 6(7), 6260–6271 (2012).
[Crossref] [PubMed]

Liu, S. D.

S. D. Liu, Z. Yang, R. P. Liu, and X. Y. Li, “Multiple Fano resonances in plasmonic heptamer clusters composed of split nanorings,” ACS Nano 6(7), 6260–6271 (2012).
[Crossref] [PubMed]

Liu, X. J.

D. J. Wu, S. M. Jiang, and X. J. Liu, “Tunable Fano resonances in three-layered bimetallic Au and Ag nanoshell,” J. Phys. Chem. C 115(48), 23797–23801 (2011).
[Crossref]

López-Tejeiral, F.

Lu, Y.

Luk’yanchuk, B.

Luo, Y.

Y. Luo, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Broadband light harvesting nanostructures robust to edge bluntness,” Phys. Rev. Lett. 108(2), 023901 (2012).
[Crossref] [PubMed]

Y. Luo, J. B. Pendry, and A. Aubry, “Surface plasmons and singularities,” Nano Lett. 10(10), 4186–4191 (2010).
[Crossref] [PubMed]

Maier, S. A.

Y. Luo, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Broadband light harvesting nanostructures robust to edge bluntness,” Phys. Rev. Lett. 108(2), 023901 (2012).
[Crossref] [PubMed]

J. B. Pendry, A. Aubry, D. R. Smith, and S. A. Maier, “Transformation optics and subwavelength control of light,” Science 337(6094), 549–552 (2012).
[Crossref] [PubMed]

A. Aubry, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Conformal transformation applied to plasmonics beyond the quasistatic limit,” Phys. Rev. B 82(20), 205109 (2010).
[Crossref]

Man, Y. C.

Marti, O.

Mejia, Y. X.

Mingaleev, S. F.

Mirin, N. A.

J. B. Lassiter, M. W. Knight, N. A. Mirin, and N. J. Halas, “Reshaping the plasmonic properties of an individual nanoparticle,” Nano Lett. 9(12), 4326–4332 (2009).
[Crossref] [PubMed]

Miroshnichenko, A. E.

A. E. Miroshnichenko, S. Flach, and Y. S. Kivshar, “Fano resonances in nanoscale structures,” Rev. Mod. Phys. 82(3), 2257–2298 (2010).
[Crossref]

Monticone, F.

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Noginov, M. A.

Nordlander, P.

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[Crossref] [PubMed]

Paniagua-Domínguez, R.

Pendry, J. B.

Y. Luo, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Broadband light harvesting nanostructures robust to edge bluntness,” Phys. Rev. Lett. 108(2), 023901 (2012).
[Crossref] [PubMed]

J. B. Pendry, A. Aubry, D. R. Smith, and S. A. Maier, “Transformation optics and subwavelength control of light,” Science 337(6094), 549–552 (2012).
[Crossref] [PubMed]

A. Aubry, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Conformal transformation applied to plasmonics beyond the quasistatic limit,” Phys. Rev. B 82(20), 205109 (2010).
[Crossref]

Y. Luo, J. B. Pendry, and A. Aubry, “Surface plasmons and singularities,” Nano Lett. 10(10), 4186–4191 (2010).
[Crossref] [PubMed]

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Phillips, C. C.

Prodan, E.

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[Crossref] [PubMed]

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E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[Crossref] [PubMed]

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Rodríguez-Oliveros, R.

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Shalaev, V. M.

Shao, L.

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F. Borghese, P. Denti, R. Saija, and O. I. Sindoni, “Optical properties of spheres containing a spherical eccentric inclustion,” J. Opt. Soc. Am. A 9(8), 1327–1335 (1992).
[Crossref]

Skaropoulos, N. C.

Smith, D. R.

J. B. Pendry, A. Aubry, D. R. Smith, and S. A. Maier, “Transformation optics and subwavelength control of light,” Science 337(6094), 549–552 (2012).
[Crossref] [PubMed]

Smolyaninov, I. I.

A. V. Zayats and I. I. Smolyaninov, “Near-field photonics: surface plasmon polaritons and localised surface plasmons,” J. Opt. A, Pure Appl. Opt. 5(4), S16–S50 (2003).
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Wang, J. F.

Wang, Y.

S. Zhang, D. A. Genov, Y. Wang, M. Liu, and X. Zhang, “Plasmon-induced transparency in metamaterials,” Phys. Rev. Lett. 101(4), 047401 (2008).
[Crossref] [PubMed]

Wegener, M.

Weiss, T.

Westcott, S. L.

R. D. Averitt, S. L. Westcott, and N. J. Halas, “Linear optical properties of gold nanoshells,” J. Opt. Soc. Am. B 16(10), 1824–1832 (1999).
[Crossref]

Wiener, A.

Wiesner, U.

Woo, K. C.

Wu, D. J.

D. J. Wu, S. M. Jiang, and X. J. Liu, “Tunable Fano resonances in three-layered bimetallic Au and Ag nanoshell,” J. Phys. Chem. C 115(48), 23797–23801 (2011).
[Crossref]

Wu, Y. P.

Xiao, S.

Yan, Z. B.

Yang, B. C.

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S. D. Liu, Z. Yang, R. P. Liu, and X. Y. Li, “Multiple Fano resonances in plasmonic heptamer clusters composed of split nanorings,” ACS Nano 6(7), 6260–6271 (2012).
[Crossref] [PubMed]

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A. Artar, A. A. Yanik, and H. Altug, “Multispectral plasmon induced transparency in coupled meta-atoms,” Nano Lett. 11(4), 1685–1689 (2011).
[Crossref] [PubMed]

Yu, Y. F.

Zayats, A. V.

A. V. Zayats and I. I. Smolyaninov, “Near-field photonics: surface plasmon polaritons and localised surface plasmons,” J. Opt. A, Pure Appl. Opt. 5(4), S16–S50 (2003).
[Crossref]

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Zhang, J. B.

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S. Zhang, D. A. Genov, Y. Wang, M. Liu, and X. Zhang, “Plasmon-induced transparency in metamaterials,” Phys. Rev. Lett. 101(4), 047401 (2008).
[Crossref] [PubMed]

Zhang, W.

W. Zhang, A. O. Govorov, and G. W. Bryant, “Semiconductor-metal nanoparticle molecules: Hybrid excitons and the nonlinear Fano effect,” Phys. Rev. Lett. 97(14), 146804 (2006).
[Crossref] [PubMed]

Zhang, X.

S. Zhang, D. A. Genov, Y. Wang, M. Liu, and X. Zhang, “Plasmon-induced transparency in metamaterials,” Phys. Rev. Lett. 101(4), 047401 (2008).
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Zheludev, N. I.

Zhu, G.

Zhu, X.

ACS Nano (7)

S. D. Liu, Z. Yang, R. P. Liu, and X. Y. Li, “Multiple Fano resonances in plasmonic heptamer clusters composed of split nanorings,” ACS Nano 6(7), 6260–6271 (2012).
[Crossref] [PubMed]

J. Appl. Phys. (1)

A. L. Aden and M. Kerker, “Scattering of electromagnetic waves from two concentric spheres,” J. Appl. Phys. 22(10), 1242–1246 (1951).
[Crossref]

J. Opt. A, Pure Appl. Opt. (1)

A. V. Zayats and I. I. Smolyaninov, “Near-field photonics: surface plasmon polaritons and localised surface plasmons,” J. Opt. A, Pure Appl. Opt. 5(4), S16–S50 (2003).
[Crossref]

J. Opt. Soc. Am. (1)

U. Fano, “The Theory of Anomalous Diffraction Gratings and of quasi-stationary waves on metallic surfaces (Sommerfeld's Waves),” J. Opt. Soc. Am. 31(3), 213–222 (1941).
[Crossref]

J. Opt. Soc. Am. A (3)

F. Borghese, P. Denti, R. Saija, and O. I. Sindoni, “Optical properties of spheres containing a spherical eccentric inclustion,” J. Opt. Soc. Am. A 9(8), 1327–1335 (1992).
[Crossref]

J. Opt. Soc. Am. B (1)

R. D. Averitt, S. L. Westcott, and N. J. Halas, “Linear optical properties of gold nanoshells,” J. Opt. Soc. Am. B 16(10), 1824–1832 (1999).
[Crossref]

J. Phys. Chem. B (1)

J. Phys. Chem. C (1)

D. J. Wu, S. M. Jiang, and X. J. Liu, “Tunable Fano resonances in three-layered bimetallic Au and Ag nanoshell,” J. Phys. Chem. C 115(48), 23797–23801 (2011).
[Crossref]

Nano Lett. (11)

A. Artar, A. A. Yanik, and H. Altug, “Multispectral plasmon induced transparency in coupled meta-atoms,” Nano Lett. 11(4), 1685–1689 (2011).
[Crossref] [PubMed]

Y. Luo, J. B. Pendry, and A. Aubry, “Surface plasmons and singularities,” Nano Lett. 10(10), 4186–4191 (2010).
[Crossref] [PubMed]

J. B. Lassiter, M. W. Knight, N. A. Mirin, and N. J. Halas, “Reshaping the plasmonic properties of an individual nanoparticle,” Nano Lett. 9(12), 4326–4332 (2009).
[Crossref] [PubMed]

Nat. Mater. (2)

Nature (1)

New J. Phys. (1)

Opt. Express (1)

Phys. Rev. B (2)

A. Aubry, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Conformal transformation applied to plasmonics beyond the quasistatic limit,” Phys. Rev. B 82(20), 205109 (2010).
[Crossref]

Phys. Rev. E Stat. Nonlin. Soft Matter Phys. (1)

Phys. Rev. Lett. (8)

S. Zhang, D. A. Genov, Y. Wang, M. Liu, and X. Zhang, “Plasmon-induced transparency in metamaterials,” Phys. Rev. Lett. 101(4), 047401 (2008).
[Crossref] [PubMed]

W. Zhang, A. O. Govorov, and G. W. Bryant, “Semiconductor-metal nanoparticle molecules: Hybrid excitons and the nonlinear Fano effect,” Phys. Rev. Lett. 97(14), 146804 (2006).
[Crossref] [PubMed]

Y. Luo, D. Y. Lei, S. A. Maier, and J. B. Pendry, “Broadband light harvesting nanostructures robust to edge bluntness,” Phys. Rev. Lett. 108(2), 023901 (2012).
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Proc. Natl. Acad. Sci. U.S.A. (1)

Rev. Mod. Phys. (1)

A. E. Miroshnichenko, S. Flach, and Y. S. Kivshar, “Fano resonances in nanoscale structures,” Rev. Mod. Phys. 82(3), 2257–2298 (2010).
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Science (2)

J. B. Pendry, A. Aubry, D. R. Smith, and S. A. Maier, “Transformation optics and subwavelength control of light,” Science 337(6094), 549–552 (2012).
[Crossref] [PubMed]

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
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F. Monticone, C. Argyropoulos, and A. Alu, “Multi-layered plasmonic covers for comb-like scattering response and optical tagging,” Arxiv:1210.4802.

J. A. Kong, Electromagnetic Wave Theory, II (Wiley, 1990).

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Fig. 1

Schematics of two non-concentric core-shell configurations, i.e. a metal coated dielectric nanowire and a dielectric coated metallic nanowire, illuminated by a plane wave. Here d denotes the distance between the centres of the core and the coating; δ denotes the minimum thickness of the coating; the radii of the core and the shell are a and b, respectively. (b) The transformed geometry of the core-shell structures is represented by an air-metal-dielectric (or air-dielectric-metal) three-layer system. The incident plane wave is mapped into a dipole source located at the origin. Periodic boundary condition is applied along the y direction.

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Fig. 2

The scattering (solid line) and absorption (dashed line) cross sections for glass nanowires (the radius $a = 5 n m$ ) with concentric [(a1), (b1) $d = 0 n m$ ] and non-concentric [(a2), (b2) $d = 20 n m$ and (a3), (b3) $d = 24 n m$ ] silver shells (the radius $b = 30 n m$ ). The left column corresponds to the simulation results and the right corresponds to the analytical solutions.

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Fig. 3

Snapshots of the electric field distributions for a nonconcentric glass-core silver-shell nanowires ( $a = 5 n m$ , $b = 30 n m$ , $d = 24 n m$ ) at the scattering and the absorption peak wavelengths (c.f. Figure 2 (a3)).

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Fig. 4

Parametric plot of the scattering cross section normalized to the diameter versus the core offset d and the wavelength for a glass nanowire with asymmetric silver coating ( $a = 5 n m$ , $b = 30 n m$ ).

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Fig. 5

Parametric plots of scattering and absorption cross sections versus the refractive index of the dielectric core and the wavelength for a dielectric nanowire with asymmetric silver coating ( $a = 5 n m$ , $b = 30 n m$ ). In left panels, $d = 0 n m$ ; In middle panels, $d = 20 n m$ ; In right panels, $d = 24 n m$ .

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Fig. 6

The dependence of the FoM on the asymmetry of the sensing structure consisting of the glass nanowire with silver coating ( $a = 5 n m$ , $b = 30 n m$ ) for first-order Fano resonance.

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Fig. 7

The scattering (solid line) and absorption (dashed line) cross sections for silver nanowires ( $a = 5 n m$ ) with concentric [(a1), (b1) $d = 0 n m$ ] and non-concentric [(a2), (b2) $d = 20 n m$ and (a3), (b3) $d = 24 n m$ ] glass shells ( $b = 30 n m$ ). The left column corresponds to the simulation results and the right one corresponds to the analytical solutions.

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Equations (15)

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ϕ^{scatt} (x, y) = \sum_{n = 1}^{\infty} \frac{g (α η_{2}^{2 n} - β)}{η_{1}^{2 n} (η_{2}^{2 n} - α β)} (\begin{array}{l} E_{0 x} \cos (n \arg f (x, y)) \\ + E_{0 y} \sin (n \arg f (x, y)) \end{array}) {| f (x, y) |}^{n}

f (x, y) = \ln [\frac{4 d (x + i y) + {(\sqrt{{(b + d)}^{2} - a^{2}} + \sqrt{{(b - d)}^{2} - a^{2}})}^{2}}{4 d (x + i y) + {(\sqrt{{(b + d)}^{2} - a^{2}} - \sqrt{{(b - d)}^{2} - a^{2}})}^{2}}] .

g = \frac{\sqrt{{(b + d)}^{2} - a^{2}} \sqrt{{(b - d)}^{2} - a^{2}}}{d},

η_{1} = \frac{\sqrt{{(b + d)}^{2} - a^{2}} + \sqrt{{(b - d)}^{2} - a^{2}}}{\sqrt{{(b + d)}^{2} - a^{2}} - \sqrt{{(b - d)}^{2} - a^{2}}},

η_{2} = \frac{\sqrt{{(b + a)}^{2} - d^{2}} + \sqrt{{(b - a)}^{2} - d^{2}}}{\sqrt{{(b + a)}^{2} - d^{2}} - \sqrt{{(b - a)}^{2} - d^{2}}},

α = \frac{ε_{1} - 1}{ε_{1} + 1}, β = \frac{ε_{1} - ε_{2}}{ε_{1} + ε_{2}} .

γ = 8 π ε_{0} g^{2} ξ

ξ = \sum_{n = 1}^{\infty} \frac{n (α η_{2}^{2 n} - β)}{4 η_{1}^{2 n} (η_{2}^{2 n} - α β)} .

{\bar{E}}^{sca} (| \bar{r} | ≪ λ) = - i \frac{k_{0}^{2}}{8 ε_{0}} γ {\bar{E}}_{0} .

γ_{m} = \frac{γ}{1 - i k_{0}^{2} γ / 8 ε_{0}} = \frac{8 π ε_{0} g^{2} ξ}{1 - i π k_{0}^{2} g^{2} ξ} .

σ_{ext} = k_{0} Im {\frac{γ_{m}}{ε_{0}}} = 8 π k_{0} g^{2} Im {\frac{ξ}{1 - i π k_{0}^{2} g^{2} ξ}},

σ_{sca} = {(\frac{k_{0}}{2})}^{3} {| \frac{γ_{m}}{ε_{0}} |}^{2} = 8 π^{2} k_{0}^{3} g^{4} {| \frac{ξ}{1 - i π k_{0}^{2} g^{2} ξ} |}^{2},

σ_{abs} = σ_{ext} - σ_{sca} = 8 π k_{0} g^{2} \frac{Im {ξ}}{{| 1 - i π k_{0}^{2} g^{2} ξ |}^{2}} .

η_{2}^{2 n} = α β .

η_{1}^{2} (\frac{η_{2}^{2 n + 2} - α β}{η_{2}^{2 n} - α β}) = - (\frac{n + 1}{n}) (\frac{α η_{2}^{2 n + 2} - β}{α η_{2}^{2 n} - β}) .

Abstract

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Fernández-Domínguez, A. I.

Flach, S.

Fleischhauer, M.

Francescato, Y.

Fu, Y. H.

Fuller, K. A.

Genov, D. A.

Giannini, V.

Giessen, H.

Gippius, N. A.

Gonçalves, M. R.

Govorov, A. O.

Grady, N. K.

Hafner, J. H.

Halas, N. J.

Hao, F.

Herz, E.

Ioannidou, M. P.

Jeppesen, C.

Jiang, S. M.

Jonin, C.

Kästel, J.

Kerker, M.

Kim, J.

Kivshar, Y. S.

Kiyan, R.

Klein, M. W.

Knight, M. W.

Koroleva, A.